Therefore, x 2 - 2x - 8 can be written as x 2 - 4x + 2x - 8. Select a few x x values, and plug them into the equation to find the corresponding y y Click here:point_up_2:to get an answer to your question :writing_hand:factorize x2 2x 8. Step 1. This step makes the left hand side of the equation a perfect square. Precalculus. Practice Makes Perfect. Rewrite as . en. Use app Login. Free math problem solver answers your algebra homework questions with step-by-step explanations. 1. The How do you list all possible roots and find all factors of 3x2 + 2x + 2 ? Solve for x -2x=8. To find the opposite of 2x^{2}-8x+8, find the opposite of each term. Simplify. Math can be an intimidating subject. Substitute the values a = 1 a = 1, b = −2 b = - 2, and c = −5 c = - 5 into the quadratic formula and solve for x x.3. Factor x x out of x2 x 2. Simultaneous equation. The vertex has x-co-ordinate halfway between the x-intercept, x = -1 if x = -1 , y = (-1)^2 + 2 (-1) - 8 = -9. f (x) = x2 + 2x − 8 f ( x) = x 2 + 2 x - 8. $\exponential { (x)} {2} - 2 x - 8 = 0 $.e - 2x. Tap for more steps Step 1. Find 2 real roots knowing sum (-b = -2) and product (c = -8). Substitute the values , , and into the quadratic formula and solve for . Then add the square of 1 to both sides of the equation. 2 (-2x-8)-6x+? = -2x + 13. Tap for more steps Answer: x = 2 and ( -4) Step-by-step explanation: We have to find the zero factors of the given equation . Q5 are the factors of the polynomial x 2 + 2 x Solve Using the Quadratic Formula x^2-2x-8=0. Find the Domain and Range f (x)=x^2-2x-8.1. Get all the terms with the wanted variable on one side of the equation and all the other terms on the other side. Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. More Examples Factor 2x^2-8. High School Math Solutions - Quadratic Equations Calculator, Part 2.2 Factoring: x 3 +x 2-2x-8 Thoughtfully split the expression at hand into groups, each group having two terms : Group 1: -2x-8 Group 2: x 3 +x 2 Pull out from each group separately : Answer link. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description. An example of a polynomial of a single indeterminate x is x² − 4x + 7.1 Factoring x2+2x+2 The first term is, x2 its coefficient is 1 . Step 6.1 Factoring x2+2x-8 The first term is, x2 its coefficient is 3x2+2x-8 Final result : (3x - 4) • (x + 2) Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 + 2x) - 8 Step 2 :Trying to factor by How do you solve 3x − 8 = 2 ? x= 310 Explanation: Add 8 on both sides, so that it is 3x=10. Find the x-intercepts. Related Symbolab blog posts. Example 1.1. Directrix: y = −27 4 y = - 27 4. a = 1 a = 1. x2 − 2x − 8 = 0 x 2 - 2 x - 8 = 0. Find the Vertex y=x^2-2x-8.1. Dressing: S4S. Replace the variable with in the expression. Factoring is the process Read More. x_8. Enter a problem Cooking Calculators. x2+2x-8 Final result : (x + 4) • (x - 2) Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Add 1 to both sides of the equation : On the right hand side we have : 8 + 1 or, (8/1)+ (1/1) First type the equation 2x+3=15. Add 8 to both sides. Step 2. A polynomial is a mathematical expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication. Tap for more steps y-intercept (s): (0,−8) ( 0, - 8) List the intersections.11. x2 + 2x+(1)2 = 8 +(1)2 x 2 + 2 x + ( 1) 2 = 8 + ( 1) 2 Algebra Solve for x x^2-2x=8 x2 − 2x = 8 x 2 - 2 x = 8 Subtract 8 8 from both sides of the equation. for zero factor we will put y = 0. Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step To solve the equation, factor x^{2}-2x-8 using formula x^{2}+\left(a+b\right)x+ab=\left(x+a\right)\left(x+b\right). zs. Write the factored form using these integers. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. In this case, whose product is −8 - 8 and whose sum is −2 - 2. Factor x2 − 2x−8 x 2 - 2 x - 8 using the AC method. Practice Makes Perfect. Step 2. Sum of the zeroes = - `(` Also sum of the zeroes of the polynomial = 4 - 2 = 2. Model # 2P020810S4.3. Enter a problem Cooking Calculators. Step 2. Middle School Math Solutions - Polynomials Calculator, Factoring Quadratics. x^{2}-2x=8. Use the quadratic formula to find the solutions. x^{2}+2x=y+8 . Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.5. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Learning math takes practice, lots of practice. Algebra. Tap for more steps Step 1. Examples. y-intercept: (0,−8) ( 0, - 8) Any line can be graphed using two points. The Discriminant is given by: Δ = b2 − 4 ⋅ a ⋅ c. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Solve your math problems using our free math solver with step-by-step solutions. Practice Makes Perfect. 运用二次公式的步骤.71 ,87.25-in x 16. A store sold 4 times more chocolate bars than Skittles. Free math problem solver answers your algebra homework questions with step-by-step explanations. Substitute the values a = 1 a = 1, b = −2 b = - 2, and c = −8 c = - 8 into the quadratic formula and solve for x x. Thus, 2 x2+3 xy=x (2 x+3 y) Notice that we can always check the factorization by multiplying the factors together and comparing the result with the original polynomial. for zero factor we will put y = 0 x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description. Solve by Factoring x^2-2x-2=0.e (x - 2) (x + 4) = 0 thus x = 2 or x = - 4. Find the properties of the given parabola. Nothing further can be done with this topic. We can find the x-coordinate by using x=-b/ (2a): x=-2/ (2*1)=-2/2=1 The y-coordinate can be found by plugging the x-value back into the equation: (1)^2-2 (1)-8 = 1-2-8 = 9 The vertex is (1,9).5-in x 7. Tap for more steps x2 − 6x−16 x 2 - 6 x - 16. en. If it is known the way to solve an equation of 2° degree, here there is the second way to factor it: We can imagine that this polynomial "becomes" an equation: 3x^2-2x-8=0, we can calculate the quantity Delta=b^2-4ac=4+96=100, and than we have to use this formula: x_(1,2)=(-b+ Solve for x 2x-4=8.78]} [Ans] Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. In the i) case , x ≥ 4 and x ≤ − 2, which is not possible. On the last post we covered completing the square (see link). High School Math Solutions - Quadratic Equations Calculator, Part 2. Multiply 8 8 by 2 2.t. en. Simultaneous equation. Ask a question for free Get a free answer to a quick problem. Subtract 1 from both sides of the equation. Each new topic we learn has symbols and problems we have never seen. x2 − 2⋅x⋅1+12 x 2 - 2 ⋅ x ⋅ 1 + 1 2. = (2)2 − (4 ⋅ 1 ⋅ ( −8)) = 4 + 32 = 36.1. Since ab is negative, a and b have the opposite signs. x2 + 2x−8 = 0 x 2 + 2 x - 8 = 0. Try it now: 2x+3=15 @ x=6 Clickable Demo Try entering 2x+3=15 @ x=6 into the text box. Graph y=x^2-2x-2. Tap for more steps 2x = 12 2 x = 12. Algebra. 2x⋅x+2x⋅8 2 x ⋅ x + 2 x ⋅ 8. Tap for more steps (x−1)2 −9 ( x - 1) 2 - 9. Tap for more steps Step 3. Pull terms out from under the radical, assuming Solve by Factoring x^2+2x-8=0. Middle School Math Solutions - Equation Calculator. Step 1. Rewrite the polynomial. x^{2}-x-2. x2 − 2x−8 = 0 x 2 - 2 x - 8 = 0 Factor x2 − 2x−8 x 2 - 2 x - 8 using the AC method. GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. Step 2. Step 5. (b 2)2 = (1)2 ( b 2) 2 = ( 1) 2 Add the term to each side of the equation. To solve the equation, factor x^{2}+2x-8 using formula x^{2}+\left(a+b\right)x+ab=\left(x+a\right)\left(x+b\right). Tap for more steps x-intercept (s): (4,0),(−2,0) ( 4, 0), ( - 2, 0) Find the y-intercepts. x2 + x−8 x 2 + x - 8. Search our database of more than 200 calculators. Solution. Cooking Measurement Converter Cooking Ingredient Converter Cake Pan Converter See more. 0 = x (x+4) - 2(x + 4) 0 = (x + 4) (x - 2) So zero factors will be . To find a and b, set up a system to be solved. The equation is of the form ax2 + bx + c = 0 where: a = 1,b = 2,c = − 8. Find the Vertex f (x)=x^2+2x-8. Tap for more steps x = ±2√2 x = ± 2 2. We'll first write the skeleton form of the equatio 求解 x^2-2x-8=0 | Microsoft Math Solver. Set x2 −2x− 8 x 2 - 2 x - 8 equal to 0 0. x2 − 2x−8 = 0 x 2 - 2 x - 8 = 0 Factor x2 − 2x−8 x 2 - 2 x - 8 using the AC … Solve an equation, inequality or a system. The complete solution is the result of both the positive and negative portions of the solution. View Solution. Vertex: (1,−9) ( 1, - 9) Focus: (1,−35 4) ( 1, - 35 4) Axis of Symmetry: x = 1 x = 1. In this technique, if we have to factorise an expression like ax2 + bx +c, we need to think of 2 numbers such that: N 1 ⋅ N 2 = a ⋅ c = 1 ⋅ ( − 8) = − 8. 2x_{8} Quiz. 查看解决方案步骤. f (x) = x2 − 2x − 8 f ( x) = x 2 - 2 x - 8. Get immediate feedback and guidance with step-by-step solutions and Wolfram Problem Generator. To solve the equation, factor x^{2}-2x-8 using formula x^{2}+\left(a+b\right)x+ab=\left(x+a\right)\left(x+b\right). The value at is . 2x−8 2 x - 8. Tap for more steps 2x2 + 2x⋅8 2 x 2 + 2 x ⋅ 8. x2 − 2x−8 = 0 x 2 - 2 x - 8 = 0. Get all the terms with the wanted variable on one side of the equation and all the other terms on the other side. Divide each term in −2x = 8 - 2 x = 8 by −2 - 2.2 Solving x2-2x-8 = 0 by Completing The Square . Please check the expression entered or try another topic. quadratic-equation-calculator. This last sum is (-2 = -b). y = −x2 + 2x − 8 y = - x 2 + 2 x - 8. Differentiate w. 3. \left(x-2\right)\left(x+4\right) Factor out common term x-2 by using distributive property. 2x = - 4x + 2x. List all such … factor\:x^6-2x^4-x^2+2 ; factor\:2x^5+x^4-2x-1 ; Show More; Description. You should test that when x >1 (note the strict inequality here) the derivative is positive. Most questions answered within 4 hours. Tap for more steps Step 1. Find the Vertex f (x)=x^2+2x-8. Next, let's find the x-intercepts, which are the zeroes of the equation. Select a few x x values, and plug them into the equation to find the corresponding y y Click here:point_up_2:to get an answer to your question :writing_hand:factorize x2 2x 8. Type in any equation to get the solution, steps and graph Solve by Completing the Square x^2+2x=8. Simplify the right side. Related Symbolab blog posts. en. Factoring is the process Read More.seulav y y gnidnopserroc eht dnif ot noitauqe eht otni meht gulp dna ,seulav x x wef a tceleS . The final answer is . Example 2. x2 − 2x − 5 = 0 x 2 - 2 x - 5 = 0.Linear equation Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions., < > ≤: ≥ ^ √: ⬅: : F _ ÷ | (* / ⌫ A: ↻: x: y = +-G What do you want to calculate? Calculate it! Examples: 1+2 , 1/3+1/4 , 2^3 * 2^2 (x+1) (x+2) (Simplify Example), 2x^2+2y @ x=5, y=3 (Evaluate Example) y=x^2+1 (Graph Example), 4x+2=2 (x+6) (Solve Example) Algebra Calculator is a calculator that gives step-by-step help on algebra problems. en. (x-4) (x+2) ≤ 0. x 2 + 6 x + 8 can be factorized as (x + 2) (x + 4) View Solution.

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. Find the Roots (Zeros) f (x)=x^2+2x-8. Is there a step by step calculator for physics? Steps Using the Quadratic Formula Steps for Completing the Square View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Polynomial 5 problems similar to: Similar Problems from Web Search Share Examples Quadratic equation Trigonometry Linear equation Arithmetic Matrix Factor x^2+2x-8 Pre Calculus Calculus Statistics Go Examples Related Symbolab blog posts Middle School Math Solutions - Polynomials Calculator, Factoring Quadratics Just like numbers have factors (2×3=6), expressions have factors ( (x+2) (x+3)=x^2+5x+6). Rewrite the trinomial as the product of two binomials (x-u)(x-v) Precalculus. Tap for more steps y = (x− 1)2 −9 y = ( x - 1) 2 - 9. In this case, there is no real number that makes the expression undefined. If you want Read More. Step 1. Solve for x x. Join / Login.2. 11+6x+x^2=-\frac{6}{x} x^3-2x=0; Show More; Description. Interval Notation: Explanation: 2x2 = 9x−4 -2x2=-4 Two solutions were found : x = ± √2 = ± 1. Actual Dimensions: 1. Example: 2x-1=y,2y+3=x. Find the properties of the given parabola. Limits. 2\times 1 .2. Explanation: To find the factors of x 2 - 2x - 8 we need to split the middle term i. We can see this since #x^2-2x+1# is a perfect square, so it touches the x-axis at a single root. y = x2 − 2x − 8 y = x 2 - 2 x - 8. Related Symbolab blog posts. Since both terms are perfect squares, factor using the difference of squares formula, where and . Add 8 to both side of the equation : x2-2x = 8. Just like numbers have factors (2×3=6), expressions … x 2-2x = 8 Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1 Add 1 to both sides of the equation : On the right hand side … Algebra. For math, science, nutrition, history In this case x-intercept doesn't exist since equation $-x^2+2x-2=0$ does not has the solutions (use quadratic equation solver to check ). The unknowing Read More. 2x − 4 = 8 2 x - 4 = 8. \frac{x^{12}}{x^{-2}} (2x)^{2} x^{2}\cdot x^{3} Show More; Description. Related Symbolab blog posts. x^{2}-2x-8=0.e y = 8 for x-intercepts, y = 0 , so x^2 + 2x - 8 = 0 i.10. x^{2}+2x+1^{2}=y+8+1^{2} Divide 2, the coefficient of the x term, by 2 to get 1. Cooking Measurement Converter Cooking Ingredient Converter Cake Pan Converter See more. f (x) = x2 + 2x − 8 f ( x) = x 2 + 2 x - 8. The solutions are found using the formula. en. For any term t, t\times 1=t and 1t=t. Enter a problem Cooking Calculators. f (x) = x2 + 2x − 8 f ( x) = x 2 + 2 x - 8. Explanation: Solve y = x2 +2x − 8. Step 2.8. Factor x x out of x2 −2x x 2 - 2 x. Guides. Solve your math problems using our free math solver with step-by-step solutions. 4 \sin \theta \cos \theta = 2 \sin \theta. 2x = 2⋅x ⋅1 2 x = 2 ⋅ x ⋅ 1. dxd (x − 5)(3x2 − 2) Integration. y = x2 − 2x − 8 y = x 2 - 2 x - 8.3. Enter a problem Cooking Calculators. Select two x x values, and plug them into the equation to find the corresponding y y values. Copy. Factor algebraic expressions step-by-step. Over the next few weeks, we'll be showing how Symbolab So our polynomial becomes: 3x^2-6x+4x-8=3x(x-2)+4(x-2)=(x-2)(3x+4). (x +1)2 = 9. Solve quadratic equations step-by-step. Algebra Factor x^2-2x-8 x2 − 2x − 8 x 2 - 2 x - 8 Consider the form x2 + bx+c x 2 + b x + c. Related Symbolab blog posts. Factor out of . x^{3}-6x^{2}+12x-8 . Interval Notation: The perfect square rule is a technique used to expand expressions that are the sum or difference of two squares, such as (a + b)^2 or (a - b)^2.1. Solve by Completing the Square x^2+2x=8. Since ab is negative, a and b have the opposite signs.

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x2 − 2x = 0 x 2 - 2 x = 0. x^{3}-4x^{2}+4x-2x^{2}+8x-8 . Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. 2x^{2} en. Vertex: (1,−9) ( 1, - 9) Focus: (1,−35 4) ( 1, - 35 4) Axis of Symmetry: x = 1 x = 1. Nothing further can be done with this topic. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Arithmetic. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0. x^{2}+2x-8=0. Add the term to each side of the equation. x^{2}-2x-8. Isolate the variable, and solve for the variable by undoing any arithmetic Graph y=x^2-2x-2. Algebra. quadratic-equation-calculator.stsop golb balobmyS detaleR . If a a is positive, the minimum value of the function is f (− b 2a) f ( - b 2 a). Tap for more steps x2(x+ 4)−2(x+4) x 2 ( x + 4) - 2 ( x + 4) Factor the polynomial by factoring out the greatest common factor, x+4 x + 4.2. 2x − 8 2 x - 8. Factor x^3+4x^2-2x-8. The solutions for the equation are color (blue) (x=2 , color (blue) (x=-4 x^2 + 2x - 8 = 0 We can Split the Middle Term of this x2 − 2x − 8 > 0 x 2 - 2 x - 8 > 0. Tap for more steps Direction: Opens Up Vertex: (1,−9) ( 1, - 9) Focus: (1,−35 4) ( 1, - 35 4) Axis of Symmetry: x = 1 x = 1 Directrix: y = −37 4 y = - 37 4 Select a few x x values, and plug them into the equation to find the corresponding y y values. factor\:x^6-2x^4-x^2+2; factor\:2x^5+x^4-2x-1; Show More; Description. Factor. Step 2. Find the Vertex Form y=x^2-2x-8. Differentiation.0-ft. Find the x and y Intercepts y=x^2-2x-8. Tap for more steps x = 2,−4 x = 2, - 4. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. x 2 + 6 x + 8 can be factorized as (x + 2) (x + 4) View Solution. f (x) = x2 − 2x − 8 f ( x) = x 2 - 2 x - 8. Tap for more steps (x−2)(x+ 4) = 0 ( x - 2) ( x + 4) = 0 If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. 求解 x 的值. Enter a problem Cooking Calculators. Simplify the result. Integration. Directrix: y = −37 4 y = - 37 4. It shows you the solution, graph, detailed steps and explanations for each problem.4142 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : x2=4x-4 One solution was found : x = 2 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from This is not factorable normally. a = 1 a = 1. Step 2. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Copied to clipboard. Limits. x + 4 = 0. In this case, whose … x^{2}-2x-8. Arithmetic. x+1=1 x+1=-1 . Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.11. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b.3. 2 View solution steps Evaluate. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Factor x x out of x⋅x+x⋅−2 x ⋅ x + x ⋅ - 2. Root square both sides: x + 1 = ± √9. Mathematics. y = x2 − 2x − 8 y = x 2 - 2 x - 8. Find the missing number so that the equation has infinitely many solutions. Algebra. Step 3. Tap for more steps x = 2 and ( -4) Step-by-step explanation: We have to find the zero factors of the given equation . 一步步求解线性方程,二次方程,四次方程,绝对值方程和根式方程. Algebra Examples. 1,-8 2,-4 . en. 2x − 8 2 x - 8. Simplify ±√8 ± 8.4. vertex is (-1;-9), y-intercept is (0;-8), x-intercepts are (2;0) and (-4;0) y- intercept is when x = 0, i. x= 87±12 2 I will let you finish this off Explanation: Possible factors of 15 are 1 and 15 or 3 and 5 Possible factors of 4 are 1 and 4 or 2 and 2 Let 3x2-2x-4 Final result : 3x2 - 2x - 4 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 - 2x) - 4 Step 2 :Trying to factor by splitting the middle term 2. Tap for more steps Direction: Opens Up. Polynomial. 2x_{8}^{1-1} The derivative of ax^{n} is nax^{n-1}. Algebra. Rewrite the equation in vertex form. x^{2}+2x=y+8 . Substitute 2 for x_{1} and -4 for x_{2}. Use the quadratic formula to find the solutions. High School Math Solutions – Quadratic Equations Calculator, Part 3. Find the x and y Intercepts f (x)=x^2-2x-8. x^{3}-6x^{2}+4x+8x-8 . However, we can find its imaginary roots like this: #x^2-2x+2# The inverse of f (x)= x2 −2x−8 is (XXX)f (x)= 1 ± x+9 which is not a For monotonicity (increasing at least) we need the derivative positive everywhere.mrof xetrev ni noitauqe eht etirweR . x2 − 2x + 1 x 2 - 2 x + 1. Simplify 2x-8.01. The x x values should be selected around the vertex. y = x2 − 2x − 8 y = x 2 - 2 x - 8. Tap for more steps x = 6 x = 6.2. View Solution. Matrix. Show more. Related Symbolab blog posts. For chemistry, calculus, algebra, trigonometry, equation solving, basic math and more. Step 2.1. Step 5. On taking 'x' common from first two terms and 2 from next two terms we get. But what Differentiation. We can Split the Middle Term of this expression to factorise it. To find a and b, set up a system to be solved. Solve an equation, inequality or a system. Matrix. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Vertex form of equation is y =(x-1)^2 +7 y=x^2-2x+8 or y=(x^2-2x+1)-1+8 or y=(x-1)^2 +7 Comparing with vertex form of equation f(x) = a(x-h)^2+k ; (h,k) being vertex we find here h=1 , k=7, a=1 :. Find the Maximum/Minimum Value f (x)=x^2-2x-8.3. The final answer is the combination of both solutions.2. Algebra.-1,8 -2,4 .. Find the Roots (Zeros) y=x^2-2x-8. x = 2. Therefor, the 2 real roots are: 2 and -4. Step 2. Step 3. Adding 1 to this produces #x^2-2x+2#, and raises the graph of #y = x^2-2x+1# one upwards, meaning it no longer touches the x-axis, so it has no real roots. 2 . Step 1. −4,2 - 4, 2 Write the factored form using these integers. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of . Related Symbolab blog posts. Solve. The simplify calculator will then show you the steps to help you learn how to simplify your algebraic expression on your own. 2, x, 8. Over the next few weeks, we x^{2}-2x-8. 2±√(−2)2 −4 ⋅(1⋅−8) 2⋅1 2 How to simplify your expression. Replace the variable with in the expression. 2x_{8}^{0} Subtract 1 from 1. Rewrite x^{2}+2x-8 as \left(x^{2}-2x\right)+\left(4x-8\right). This is not the case. Divide each term in 2x = 12 2 x = 12 by 2 2 and simplify. Starting at $5.3. Linear equation. Algebra. Steps Using the Quadratic Formula Steps Using Direct Factoring Method View solution steps Evaluate (x − 4) (x + 2) Graph Quiz Polynomial x2−2x−8 Videos Finding zeros of polynomials (1 of 2) Khan Academy Completing solutions to 2-variable equations Khan Academy Limits by factoring Khan Academy Exponent properties with quotients Khan Academy Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. en. Related Symbolab blog posts. Middle School Math Solutions – Polynomials Calculator, Factoring Quadratics.2. Guides. Factor using the AC method. Get help on the web or with our math app. Check that the middle term is two times the product of the numbers being squared in the first term and third term. The value at is . Solving quadratics by factorizing (link to previous post) usually works Factor x^{2}+2x+1. Let us assume that the equation is in the form a x 2 + b x + c. An example with three indeterminates is x³ + 2xyz² − yz + 1. Solving quadratics by factorizing (link to previous post) usually works just fine. Step 2. Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1. Step 1. Cooking Measurement Converter Cooking Ingredient Converter Cake Pan Converter See more. Steps Using the Quadratic Formula Steps for Completing the Square Steps Using Direct Factoring Method View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Quadratic Equation x2−2x−8 = 0 Videos Finding zeros of polynomials (1 of 2) Khan Academy Completing solutions to 2-variable equations Khan Academy Limits by factoring Khan Academy Factoring Calculator Full pad Examples Frequently Asked Questions (FAQ) What is the sum of cubes formula? The sum of cubes formula is a³ + b³ = (a+b) (a² - ab + b²) What is the difference of squares formula? The difference of squares formula is a² - b² = (a+b) (a-b) What is the difference of cubes formula? To solve the equation for different variables step-by-step clear any fractions by multiplying both sides of the equation by the LCM of the denominators. exponents-calculator (2x)^{2} en. Rewrite the equation in vertex form. Subtract from . Factor pairs of (c = -8) --> (-2, 4) (2, -4). whats 22 X 22 and whats 44 X 44 ? Which model shows the correct factorization of x^2 + 2x Two numbers r and s sum up to -2 exactly when the average of the two numbers is \frac{1}{2}*-2 = -1. Multiply by . Isolate the variable, and solve for the variable by undoing any arithmetic In mathematics, a polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables.54, 35. Related Symbolab blog posts. For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = 15⋅−8 = −120 a ⋅ c = 15 ⋅ - 8 = - 120 and whose sum is b = −2 b = - 2. Change the to . Therefore, x = 2 and ( -4) will be the zeros of x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Show More; Description. Tap for more steps (x−4)(x+ 2) = 0 ( x - 4) ( x + 2) = 0. 0 = x² + 2x - 8. Tap for more steps Step 1. N 1 + N 2 = b = − 2. To simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. Welcome to our new "Getting Started" math solutions series. x + 1 = ± 3. 2x2 + 16x 2 x 2 + 16 x. Swap sides so that all variable terms are on the left hand side. x2 +2x + 1 = 8 + 1.2 Solving x2-2x-8 = 0 by Completing The Square . Middle School Math Solutions - Equation Calculator. List all such integer pairs Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. en.3. and. Solve. Step 3. Factor out of . Factoring is the process Read More Save to Notebook! Sign in Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions. The solution is Algebra. Step 2. Find the properties of the given parabola. Tap for more steps x = 4,−2 x = 4, - 2. List all such … How to simplify your expression. Cooking Measurement Converter Cooking Ingredient Converter Cake Pan Converter See more.1. \sqrt{\left(x+1\right)^{2}}=\sqrt{1} Take the square root of both sides of the equation.1. x^{2}+2x+1^{2}=y+8+1^{2} Divide 2, the coefficient of the x term, by 2 to get 1. It is … x^{2}+2x-8=y . Tap for more steps x = 8 −2 x = 8 - 2. My Notebook, the Symbolab way. en. Related Symbolab blog posts. Combine -4x^{2} and -2x^{2} to get -6x^{2}.r. Use app Login. Please check the expression entered or try another topic. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Tap for Factor x^{2}+2x-8. Step 5. Solve by Factoring x^2-2x-5=0. x2 − 2x − 8 = 0 x 2 - 2 x - 8 = 0.3. Linear equation. Factor 5 a2 x2 y3-25 ax7 y2 z. The factor common to each term is x. After trying out a few numbers we get N 1 = −4 and N 2 = 2. Set x x equal to 0 0. Join / Login.. We know that if α and β are the two root of the quadratic equation a x 2 + b x + c, then α + β = - b a and α β = c a. Mathematics. Use the vertex form, y = a(x−h)2 +k y = a ( x - h) 2 + k, to determine the values of a a, h h, and k k. Factorisation by Common Factors. Just like running, it takes practice and dedication. 使用配方法的步骤. Product of the zeroes = `(` Also product of the zeroes = … y=x^{2}+2x-8. 1) Write to factors, with x as the first term, this way: (x ) (x ) 2) The sign to the right of the x in the first factor is the same sign of the coeficient of x in the polynomial. 通过分组进行因式分解的步骤. en. Rewrite the equation in vertex form. Tap for more steps x2 −2x − 8.1 x 3 +x 2-2x-8 is not a perfect cube . The calculator prints "True" to let you know that the answer is right. Move all terms not containing x x to the right side of the equation. The simplify calculator will then show you the steps to help you learn how to simplify your algebraic expression on your own. Find My Store. x^{2}-2x=8. The sign to the right of the x of the second factor is the product of the sign of the coefficent of x (this is Simplify (x+2) (x-8) (x + 2) (x − 8) ( x + 2) ( x - 8) Expand (x+2)(x− 8) ( x + 2) ( x - 8) using the FOIL Method.2. Multiply by . Get Step by Step Now. x→−3lim x2 + 2x − 3x2 − 9. The system below represents the situation: c=4s c+s=30. 0 = x² + 4x - 2x - 8. Tap for more steps Direction: Opens Up. Trying to factor by pulling out : 1. Related Symbolab blog posts. Related Symbolab blog posts. Quadratic equation { x } ^ { 2 } - 4 x - 5 = 0. Tap for more steps Slope: 2 2. f min f min x = ax2 + bx+c x = a x 2 + b x + c occurs at x = − b 2a x = - b 2 a. The result Algebra. factor x^{2}+2x-8. Simplify. After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x+3=15: 2(6)+3 = 15., < > ≤: ≥ ^ √: ⬅: : F _ ÷ | (* / ⌫ A: ↻: x: y = +-G (Simplify Example), 2x^2+2y @ x=5, y=3 (Evaluate Example) y=x^2+1 (Graph Example), 4x+2=2(x+6) (Solve Example) Algebra Calculator is a calculator that gives step-by-step help on algebra problems. Learning math takes practice, lots of practice. Tap for more steps y = (x+ 1)2 −9 y = ( x + 1) 2 - 9. x2 + 2x = 8 x 2 + 2 x = 8. Combined, they sold 30 items.1. Difference of Squares: a2 - b2 = (a + b)(a - b) a 2 - b 2 = ( a + b) ( a - b) Step 2: Solution We need to factories and find the factors of the given quadratic equation x 2 - 2 x - 8 Let us assume that the equation is in the form a x 2 + b x + c We know that if α and β are the two root of the quadratic equation a x 2 + b x + c, then α + β = - b a and α β = c a. Factor algebraic expressions step-by-step. Set x2 +2x− 8 x 2 + 2 x - 8 equal to 0 0.1.

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Rewrite the equation in vertex form. Find the properties of the given parabola. Since a+b is negative, the negative number has greater absolute value than the positive. Find the Domain and Range y=x^2-2x-8. Vertex is at (1,7) and vertex form of equation is y =(x-1)^2 +7 graph{x^2-2x+8 [-35. 5 problems similar to: 2x8= Share. Tap for more steps x-intercept (s): (4,0),(−2,0) ( 4, 0), ( - 2, 0) Find the y-intercepts. Simplify the result. Factor out of . x2 − 2x = 8 x 2 - 2 x = 8. Multiply x x by x x by adding the exponents. Simplify 2x-8. It is pretty GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. Substitute the values , , and into the quadratic formula and solve for . Find the x-intercepts. Complete the square for x2 −2x−8 x 2 - 2 x - 8.1 Factoring Simplify 2x (x+8) 2x(x + 8) 2 x ( x + 8) Apply the distributive property.58, -17. Substitute 4 for x_{1} and -2 for x_{2}. Enter a problem Cooking Calculators. Standard VIII. x = -4 ( x-2) = 0. f (x) = x2 − 2x − 8 f ( x) = x 2 - 2 x - 8. Factorisation by Common Factors. Tap for more steps Direction: Opens Up Vertex: (1,−9) ( 1, - 9) Focus: (1,−35 4) ( 1, - 35 4) Axis of Symmetry: x = 1 x = 1 Directrix: y = −37 … Algebra Factor x^2-2x-8 x2 − 2x − 8 x 2 - 2 x - 8 Consider the form x2 + bx+c x 2 + b x + c. Add 8 8 to both sides of the equation. The minimum of a quadratic function occurs at x = − b 2a x = - b 2 a. Solve your math problems using our free math solver with step-by-step solutions. 因式分解的步骤. Add 1 to both sides of the equation : Popular Problems Algebra Solve by Completing the Square x^2+2x=8 x2 + 2x = 8 x 2 + 2 x = 8 To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b b. Multiple Options Available. Step 3. Factor x^2+x-8.9. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics 8. Step 3. Polynomials are often written in the form: a₀ + a₁x + a₂x² + a₃x³ + + aₙxⁿ, where the a's are coefficients and x is the variable. Get immediate feedback and guidance with step-by-step solutions and Wolfram Problem Generator. For this inequality to be true following two possibilities can exist: i) x −4 ≥ 0 and x +2 ≤ 0 (ii) x − 4 ≤ 0 and x + 2 ≥ 0. Since a+b is negative, the negative number has greater absolute value than the positive. x^{2}-2x-8. Just like numbers have factors (2×3=6), expressions have factors ((x+2)(x+3)=x^2+5x+6). Next, use the negative value of the to find the second solution. 求解. Learn the basics, check your work, gain insight on different ways to solve problems. 2x−8 2 x - 8. x2 = 8 x 2 = 8. ∫ 01 xe−x2dx. Solve quadratic equations step-by-step. x−2 = 0 x - 2 = 0 x+4 = 0 x + 4 = 0 x^{2}+2x-8=y . The Factoring Calculator transforms complex expressions into a product of simpler factors.0 = 8 - x 2 - 2 x 0 = 8−x2 − 2x . Just like running, it takes practice and dedication. (x−4)(x+ 2) ( x - 4) ( x + 2) x^{2}-2x-8. Solve for x x. Here's is the explanation to factorise x 2 - 2x - 8. You write down problems, solutions and notes to go back Read More. If you want Read More. Calculus. y = x² + 2x - 8. y = x² + 2x - 8. To create a trinomial square on the left side of the equation, find a value that is equal to the square of … Algebra Solve for x x^2-2x=8 x2 − 2x = 8 x 2 - 2 x = 8 Subtract 8 8 from both sides of the equation. In such case the quadratic Therefore the zeroes of the polynomial x 2 - 2x - 8 are {4, 2} Relationship between the zeroes and the coefficients of the polynomial. (b 2)2 = (−1)2 ( b 2) 2 = ( - 1) 2.1. Product of the zeroes = `(` Also product of the zeroes = 4 x -2 = -8. Step 1. Two numbers r and s sum up to 3 exactly when the average of the two numbers is \frac{1}{2}*3 = \frac{3}{2}. Math notebooks have been around for hundreds of years.1. Related Symbolab blog posts. Factor x^2-2x+1. en. Step 1. x = 0 x = 0. Related Calculators. Step 5. Graph y=2x-8. On the last post we covered completing the square (see link). 15x2 − 2x − 8 15 x 2 - 2 x - 8. Add and . y = 2x − 8 y = 2 x - 8. In this case, there is no real number that makes the expression undefined. In such case the quadratic equation can be expressed as x - α x - β Symbolab is the best step by step calculator for a wide range of math problems, from basic arithmetic to advanced calculus and linear algebra. Trigonometry. See More Examples » x+3=5 1/3 + 1/4 y=x^2+1 Step 1: Enter the expression you want to factor in the editor. The domain of the expression is all real numbers except where the expression is undefined. Type in any equation to get the solution, steps … Find the properties of the given parabola. High School Math Solutions - Quadratic Equations Calculator, Part 3. In general, when x^{2}+bx+c is a perfect square, it can always be factored as \left(x+\frac{b}{2}\right)^{2}. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. ac+bc=(a+b) c. 2±√(−2)2 −4 ⋅(1⋅−5) 2⋅1 2 ± Algebra. See More … f (x) = x2 − 2x − 8 f ( x) = x 2 - 2 x - 8. Combine 4x and 8x to get 12x. Set equal to and solve for . A polynomial is a mathematical expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, and multiplication. Cooking Measurement Converter Cooking Ingredient Converter Cake Pan Converter See more. Use the vertex form, y = a(x−h)2 +k y = a ( x - h) 2 + k, to determine the values of a a, h h, and k k. If you want Read More. en. Polynomials are often written in the form: a₀ + a₁x + a₂x² + a₃x³ + + aₙxⁿ, where the a's are coefficients and x is the variable. quadratic-equation-calculator. Find the properties of the given parabola. Factor x x out of −2x - 2 x. Factor out the greatest common factor from each group. x = ±√8 x = ± 8. Just like numbers have factors (2×3=6), expressions have factors ((x+2)(x+3)=x^2+5x+6). If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal Factor 15x^2-2x-8. Step 3. Add 8 to both side of the equation : x2-2x = 8. Simplify and combine like terms. Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. Simplify . for pricing and availability. You write down problems, solutions and notes to go back Read More. Popular Problems. Tap for more steps (x−4)(x+ 2) = 0 ( x - 4) ( x + 2) = 0 Algebra Solve by Factoring x^2+2x-8=0 x2 + 2x − 8 = 0 x 2 + 2 x - 8 = 0 Factor x2 + 2x−8 x 2 + 2 x - 8 using the AC method. Next divide by 3 on both sides to get x= 310. Algebra Calculator - get free step-by-step solutions for your algebra math problems Factorise x 2 - 2 x - 8. 1,-8 2,-4 . Draw the graph y = x2 −9 and hence solve the equation x2 −2x−8= 0. 3. −2x = 8 - 2 x = 8. 5x-6=3x-8; x^2-x-6=0; x^4-5x^2+4=0 \sqrt{x-1}-x=-7 \left|3x+1\right|=4 \log _2(x+1)=\log _3(27) 3^x=9^{x+5} 显示更多; 描述. To simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. Middle School Math Solutions - Polynomials Calculator, Factoring Quadratics. Factor 2 x2+3 xy. Since a+b is positive, the positive number has greater absolute value than the negative. Step 3. Type in any equation to get the solution, steps and graph Find the properties of the given parabola. Swap sides so that all variable terms are on the left hand side. Directrix: y = −37 4 y = - 37 4. Just like running, it takes practice and dedication. Welcome to our new "Getting Started" math solutions series. So, in this case we will plot the graph using only two points. Drying Method: Kiln-dried. The domain of the expression is all real numbers except where the expression is undefined. If any individual factor on the left side of the equation is equal to , the entire expression will be equal to . Tap for more steps y = (x+ 1)2 −9 y = ( x + 1) 2 - 9. To solve the equation for different variables step-by-step clear any fractions by multiplying both sides of the equation by the LCM of the denominators. Related Symbolab blog posts. Wood Species: Southern yellow pine.4.2. Take the specified root of both sides of the equation to eliminate the exponent on the left side. Use the slope-intercept form to find the slope and y-intercept. Precalculus. x2+2x+2 Final result : x2 + 2x + 2 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. x\left(x-2\right)+4\left(x-2\right) Factor out x in the first and 4 in the second group. Limits. Simplify.k k dna ,h h ,a a fo seulav eht enimreted ot ,k + 2 )h - x ( a = y k+ 2)h−x(a = y ,mrof xetrev eht esU . We need to factories and find the factors of the given quadratic equation x 2 - 2 x - 8. Solve polynomials equations step-by-step.yaw balobmyS eht ,koobetoN yM . Math notebooks have been around for hundreds of years. x^2-x-6=9; x^2-x-6=0; x^2-1=0; x^2+2x+1=3x-10; 2x^2+4x-6=0; Solve quadratic equations step-by-step. 4x-8=0 One solution was found : x = 2 Step by step solution : Step 1 :Pulling out like terms : 1. x^{2}-2x-8=\left(x-4\right)\left(x-\left(-2\right)\right) Factor the original expression using ax^{2}+bx+c=a\left(x-x_{1}\right)\left(x-x_{2}\right). If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. Then add the square of 1 to both sides of the equation. x=0 x=-2 . Then type x=6. a = 1 a = 1. Now the clever bit: Take the coefficient of x , which is 2 , divide by two, giving 1 , and finally square it giving 1.1. Step 1: Enter the Equation you want to solve into the editor. Solve your math problems using our free math solver with step-by-step solutions. Step 1. Solve for x Calculator. Simplify the left side. Step 7. Solve Quadratic Equation by Completing The Square. Sum of the zeroes = - `(` Also sum of the zeroes of the polynomial = 4 - 2 = 2. equation-calculator.8. Step 1. Enter a problem Cooking Calculators. Free math problem solver answers your algebra Factorise the expression: x2 −2x − 8 ≤ 0. Solve. Get step-by-step answers and hints for your math homework problems. Let's factor the polynomial and find them: x^2-2x-8=0 (x-4) (x+2)=0 x-4=0 x=4 Explanation: x2 +2x − 8 = 0. Learning math takes practice, lots of practice. Integration. Middle School Math Solutions – Polynomials Calculator, Factoring Quadratics. x^{2}+2x-8=0 . Step 2.3. quadratic-equation-calculator. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. This step makes the left hand side of the equation a perfect square. Step 5. Rewrite as . Step 2. Step 3. Find a pair of integers whose product is c c and whose sum is b b. x2 + x − 8 x 2 + x - 8. Algebra Calculator - get free step-by-step solutions for your algebra math problems Therefore the zeroes of the polynomial x 2 - 2x - 8 are {4, 2} Relationship between the zeroes and the coefficients of the polynomial. The final answer is . y=x^{2}-2x-8. Tap for more steps Step 1.9. In ii) case x ≤ 4 and x ≥ −2 is a feasible solution. polynomial-equation-calculator. y = x2 − 2x − 8 y = x 2 - 2 x - 8. Take −8 to the right: x2 +2x = 8. Use the quadratic formula to find the solutions. y=x^{2}+2x-8. To find a and b, set up a system to be solved. x3 + 4x2 − 2x − 8 x 3 + 4 x 2 - 2 x - 8. Algebra. −2x −2 = 8 −2 - 2 x - 2 = 8 - 2. Since ab is negative, a and b have the opposite signs. Tap for more steps Step 1. The rule states that the square of the sum (or difference) of two terms is equal to the sum (or difference) of the squares of the terms plus twice the product of the terms. For any term t except 0, t^{0}=1. y = (x− 1)2 −9 y = ( x - 1) 2 - 9.00/month. x2 − 2x+12 x 2 - 2 x + 1 2. Find a pair of integers whose product is c c and whose sum is b b. x−2 = 0 x - 2 = 0. Set y y equal to the new right side. Related Symbolab blog posts. Frequently Asked Questions (FAQ) To factor a trinomial x^2+bx+c find two numbers u, v that multiply to give c and add to b. Then type the @ symbol. factor-calculator. Tap for more steps Direction: Opens Down. Factor out of . x^{2}+2x-8=\left(x-2\right)\left(x-\left(-4\right)\right) Factor the original expression using ax^{2}+bx+c=a\left(x-x_{1}\right)\left(x-x_{2}\right). Standard VIII. Step 5. Algebra. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Step 2: Click the blue arrow to submit and see the result! The solve for x calculator allows you to enter your problem and solve the equation to see the f (x) = x2 − 2x − 8 f ( x) = x 2 - 2 x - 8. Convert the inequality to an equation. Solve for x x^2=8. Practice, practice, practice.1 Pull out like factors : 4x - 8 = 4 • (x - 2) Equation at the end To factor x^2 + 2x - 8 follow these steps. Add and subtract 1: x2 +2x + 1 − 1 =. Differentiation. 2-in x 8-in x 10-ft Southern Yellow Pine Kiln-dried Lumber. Add 8 to both sides. 1: 2: 3: 4: 5: 6: 7: 8: 9: 0. Simplify exponential expressions using algebraic rules step-by-step. Step 1. Draw the graph y = x2 −9 and hence solve the equation x2 −2x−8= 0. Tap for more steps 15x2 + 10x−12x−8 15 x 2 + 10 x - 12 x - 8.4. Enter a problem Cooking Calculators. h = 1 h = 1. Cooking Measurement Converter Cooking Ingredient Converter Cake Pan Converter See more. Rewrite 1 1 as 12 1 2. Use the quadratic formula to find the solutions. Online math solver with free step by step solutions to algebra, calculus, and other math problems. Example: 2x-1=y,2y+3=x. Tap for more steps x⋅x+x⋅ −8+2x+2⋅−8 x ⋅ x + x ⋅ - 8 + 2 x + 2 ⋅ - 8. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Q5 are the factors of the polynomial x 2 + 2 x Solve Using the Quadratic Formula x^2-2x-8=0. en. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and Solve by Completing the Square x^2-2x-8=0. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Solve by Factoring x^2-2x=0. Consider the form . Step 3. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework What is the vertex form of #y=x^2-2x+8#? How do I use the vertex formula to determine the vertex of the graph of the function and write it in standard form for f(x)=x^2-10x? Algebra. Vertex: (1,−7) ( 1, - 7) Focus: (1,−29 4) ( 1, - 29 4) Axis of Symmetry: x = 1 x = 1. Solve quadratic equations step-by-step. Tap for more steps x(x−2) = 0 x ( x - 2) = 0. (x+4)(x2 −2) ( x + 4) ( x 2 - 2) In this video we'll follow a clear set of steps for writing the factors for the equation x^2 - 2x - 8 = 0.