20x^3-64x=0

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Solution for 20x^3-64x=0 equation:


Simplifying
20x3 + -64x = 0

Reorder the terms:
-64x + 20x3 = 0

Solving
-64x + 20x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-16 + 5x2) = 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 '(-16 + 5x2)' equal to zero and attempt to solve: Simplifying -16 + 5x2 = 0 Solving -16 + 5x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + 5x2 = 0 + 16 Combine like terms: -16 + 16 = 0 0 + 5x2 = 0 + 16 5x2 = 0 + 16 Combine like terms: 0 + 16 = 16 5x2 = 16 Divide each side by '5'. x2 = 3.2 Simplifying x2 = 3.2 Take the square root of each side: x = {-1.788854382, 1.788854382}

Solution

x = {0, -1.788854382, 1.788854382}

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