4x^2-4x=8

Simple and best practice solution for 4x^2-4x=8 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^2-4x=8 equation:


Simplifying
4x2 + -4x = 8

Reorder the terms:
-4x + 4x2 = 8

Solving
-4x + 4x2 = 8

Solving for variable 'x'.

Reorder the terms:
-8 + -4x + 4x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + -4x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-2 + -1x + x2) = 0

Factor a trinomial.
4((-1 + -1x)(2 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-1, 2}

See similar equations:

| 5m-2+3(4m+1)-2m=15m+1 | | 4x^3+60x-4=0 | | (-6s+9t-10)-(6s-4t-2)= | | 3(x+1)+10=8-2x | | 2A+12=2A+22 | | -5/12-(-7/12)= | | 9x+2=11x-10 | | 1026=4x+3b | | (3x+2y-10)+(4x-4y+8)= | | d^2-4d-12=0 | | 7x+3-4x=3x+2 | | 19=5-2z | | 2y+3-2x-3y+x= | | 342/9-17=21 | | 2a^2-14a+18= | | 6X^2-2X=140 | | 7XY=CD | | 6x^2-7x+18= | | 5p+-15=15+(-5P) | | 100x=24x-4x | | 8+60=-2a+24 | | e/5-14=18 | | -2x+4y=4 | | 2y*3s+3y=3y | | 1.6n^2+2n+2.5=0 | | 2x-14x=24 | | 5x-5=4x+40 | | 7t^2-15t+2=0 | | 2y+3-(-2x)+(-3y)= | | x^3+-25=0 | | d^2+10d+18=-7 | | 0.8k+7=0.7k+1 |

Equations solver categories