(8x+5)(2x-5)=0

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Solution for (8x+5)(2x-5)=0 equation: 


Simplifying
(8x + 5)(2x + -5) = 0

Reorder the terms:
(5 + 8x)(2x + -5) = 0

Reorder the terms:
(5 + 8x)(-5 + 2x) = 0

Multiply (5 + 8x) * (-5 + 2x)
(5(-5 + 2x) + 8x * (-5 + 2x)) = 0
((-5 * 5 + 2x * 5) + 8x * (-5 + 2x)) = 0
((-25 + 10x) + 8x * (-5 + 2x)) = 0
(-25 + 10x + (-5 * 8x + 2x * 8x)) = 0
(-25 + 10x + (-40x + 16x2)) = 0

Combine like terms: 10x + -40x = -30x
(-25 + -30x + 16x2) = 0

Solving
-25 + -30x + 16x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -8x)(5 + -2x) = 0


Subproblem 1
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

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

Simplifying
5 + -2x = 0

Solving
5 + -2x = 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 + -2x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2x = 0 + -5
-2x = 0 + -5

Combine like terms: 0 + -5 = -5
-2x = -5

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5
Solution
x = {-0.625, 2.5}

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