(8x-5)(x+8)=

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Solution for (8x-5)(x+8)= equation: 


Simplifying
(8x + -5)(x + 8) = 0

Reorder the terms:
(-5 + 8x)(x + 8) = 0

Reorder the terms:
(-5 + 8x)(8 + x) = 0

Multiply (-5 + 8x) * (8 + x)
(-5(8 + x) + 8x * (8 + x)) = 0
((8 * -5 + x * -5) + 8x * (8 + x)) = 0
((-40 + -5x) + 8x * (8 + x)) = 0
(-40 + -5x + (8 * 8x + x * 8x)) = 0
(-40 + -5x + (64x + 8x2)) = 0

Combine like terms: -5x + 64x = 59x
(-40 + 59x + 8x2) = 0

Solving
-40 + 59x + 8x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -1x)(5 + -8x) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(5 + -8x)' equal to zero and attempt to solve:

Simplifying
5 + -8x = 0

Solving
5 + -8x = 0

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

Add '-5' to each side of the equation.
5 + -5 + -8x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -8x = 0 + -5
-8x = 0 + -5

Combine like terms: 0 + -5 = -5
-8x = -5

Divide each side by '-8'.
x = 0.625

Simplifying
x = 0.625
Solution
x = {-8, 0.625}

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