=32x^3-162x

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Solution for =32x^3-162x equation:


Simplifying
0 = 32x3 + -162x

Reorder the terms:
0 = -162x + 32x3

Solving
0 = -162x + 32x3

Solving for variable 'x'.
Remove the zero:
162x + -32x3 = -162x + 32x3 + 162x + -32x3

Reorder the terms:
162x + -32x3 = -162x + 162x + 32x3 + -32x3

Combine like terms: -162x + 162x = 0
162x + -32x3 = 0 + 32x3 + -32x3
162x + -32x3 = 32x3 + -32x3

Combine like terms: 32x3 + -32x3 = 0
162x + -32x3 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(81 + -16x2) = 0

Factor a difference between two squares.
2x((9 + 4x)(9 + -4x)) = 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 '(9 + 4x)' equal to zero and attempt to solve: Simplifying 9 + 4x = 0 Solving 9 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4x = 0 + -9 4x = 0 + -9 Combine like terms: 0 + -9 = -9 4x = -9 Divide each side by '4'. x = -2.25 Simplifying x = -2.25

Subproblem 3

Set the factor '(9 + -4x)' equal to zero and attempt to solve: Simplifying 9 + -4x = 0 Solving 9 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4x = 0 + -9 -4x = 0 + -9 Combine like terms: 0 + -9 = -9 -4x = -9 Divide each side by '-4'. x = 2.25 Simplifying x = 2.25

Solution

x = {0, -2.25, 2.25}

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