x^2-8x-20=-20

Simple and best practice solution for x^2-8x-20=-20 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 x^2-8x-20=-20 equation: 


Simplifying
x2 + -8x + -20 = -20

Reorder the terms:
-20 + -8x + x2 = -20

Add '20' to each side of the equation.
-20 + -8x + 20 + x2 = -20 + 20

Reorder the terms:
-20 + 20 + -8x + x2 = -20 + 20

Combine like terms: -20 + 20 = 0
0 + -8x + x2 = -20 + 20
-8x + x2 = -20 + 20

Combine like terms: -20 + 20 = 0
-8x + x2 = 0

Solving
-8x + x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-8 + x) = 0


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

Move all terms containing x to the left, all other terms to the right.

Simplifying
x = 0

Subproblem 2
Set the factor '(-8 + x)' equal to zero and attempt to solve:

Simplifying
-8 + x = 0

Solving
-8 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + x = 0 + 8

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

Combine like terms: 0 + 8 = 8
x = 8

Simplifying
x = 8
Solution
x = {0, 8}

See similar equations:

| 5(4-4x)=80 | | 330=(30)(2x)(0.5) | | 6(1-4xw)=-18 | | 9p+99=2p | | 7(3-3x-2x)+5(6x+3)=11 | | 7x+5=9x+5-2x | | 18=2n^2 | | 6(x-3)=2(x-1) | | 12x-2x=6 | | 5*X-3*X=102 | | -91+4x=-47 | | 5x-3=10(0.5x+0.2) | | 4x-1+2x=-9+6x+8 | | 2(x+12)=38 | | w+49=0 | | Y^2-4y=4x | | X(x+2)=34 | | 11j=7k-1 | | n^2-18n+80= | | (14x^2-22)-(14x+5)= | | 5x-170=2x-17 | | 6x-36=60 | | F(n)=(2n-1)2 | | 6x-36=50 | | a=10(500) | | 4x-1=(3x*3x)+4x-4 | | 6(x-3)=2x-1 | | 4x=-16-17 | | 30=-5n | | m^2-4m-45= | | 9y^3-15y^2= | | 200m+100m+58500=61500-200m |

Equations solver categories