2x^3=128x

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Solution for 2x^3=128x equation:


Simplifying
2x3 = 128x

Solving
2x3 = 128x

Solving for variable 'x'.

Reorder the terms:
-128x + 2x3 = 128x + -128x

Combine like terms: 128x + -128x = 0
-128x + 2x3 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-64 + x2) = 0

Factor a difference between two squares.
2x((8 + x)(-8 + x)) = 0

Ignore the factor 2.

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 '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 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 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Subproblem 3

Set the factor '(-8 + x)' equal to zero and attempt to solve: Simplifying -8 + x = 0 Solving -8 + x = 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 + x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + x = 0 + 8 x = 0 + 8 Combine like terms: 0 + 8 = 8 x = 8 Simplifying x = 8

Solution

x = {0, -8, 8}

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