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

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


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

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

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

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

Combine like terms: -8x + 25x = 17x
x(-40 + 17x + 5x2) = 0
(-40 * x + 17x * x + 5x2 * x) = 0
(-40x + 17x2 + 5x3) = 0

Solving
-40x + 17x2 + 5x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-40 + 17x + 5x2) = 0

Factor a trinomial.
x((-5 + -1x)(8 + -5x)) = 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 '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 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 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 3
Set the factor '(8 + -5x)' equal to zero and attempt to solve:

Simplifying
8 + -5x = 0

Solving
8 + -5x = 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 + -5x = 0 + -8

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

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

Divide each side by '-5'.
x = 1.6

Simplifying
x = 1.6
Solution
x = {0, -5, 1.6}

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