x(x-8)+4(x-8)=

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Solution for x(x-8)+4(x-8)= equation: 


Simplifying
x(x + -8) + 4(x + -8) = 0

Reorder the terms:
x(-8 + x) + 4(x + -8) = 0
(-8 * x + x * x) + 4(x + -8) = 0
(-8x + x2) + 4(x + -8) = 0

Reorder the terms:
-8x + x2 + 4(-8 + x) = 0
-8x + x2 + (-8 * 4 + x * 4) = 0
-8x + x2 + (-32 + 4x) = 0

Reorder the terms:
-32 + -8x + 4x + x2 = 0

Combine like terms: -8x + 4x = -4x
-32 + -4x + x2 = 0

Solving
-32 + -4x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(8 + -1x) = 0


Subproblem 1
Set the factor '(-4 + -1x)' equal to zero and attempt to solve:

Simplifying
-4 + -1x = 0

Solving
-4 + -1x = 0

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

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

Subproblem 2
Set the factor '(8 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 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 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8
Solution
x = {-4, 8}

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