4x^3-216x=0

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Solution for 4x^3-216x=0 equation:


Simplifying
4x3 + -216x = 0

Reorder the terms:
-216x + 4x3 = 0

Solving
-216x + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-54 + x2) = 0

Ignore the factor 4.

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 '(-54 + x2)' equal to zero and attempt to solve: Simplifying -54 + x2 = 0 Solving -54 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '54' to each side of the equation. -54 + 54 + x2 = 0 + 54 Combine like terms: -54 + 54 = 0 0 + x2 = 0 + 54 x2 = 0 + 54 Combine like terms: 0 + 54 = 54 x2 = 54 Simplifying x2 = 54 Take the square root of each side: x = {-7.348469228, 7.348469228}

Solution

x = {0, -7.348469228, 7.348469228}

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