(x-8)(x+2)=0

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Solution for (x-8)(x+2)=0 equation: 


Simplifying
(x + -8)(x + 2) = 0

Reorder the terms:
(-8 + x)(x + 2) = 0

Reorder the terms:
(-8 + x)(2 + x) = 0

Multiply (-8 + x) * (2 + x)
(-8(2 + x) + x(2 + x)) = 0
((2 * -8 + x * -8) + x(2 + x)) = 0
((-16 + -8x) + x(2 + x)) = 0
(-16 + -8x + (2 * x + x * x)) = 0
(-16 + -8x + (2x + x2)) = 0

Combine like terms: -8x + 2x = -6x
(-16 + -6x + x2) = 0

Solving
-16 + -6x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x)(8 + -1x) = 0


Subproblem 1
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

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 = {-2, 8}

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