0=2x^3-5x

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Solution for 0=2x^3-5x equation:


Simplifying
0 = 2x3 + -5x

Reorder the terms:
0 = -5x + 2x3

Solving
0 = -5x + 2x3

Solving for variable 'x'.
Remove the zero:
5x + -2x3 = -5x + 2x3 + 5x + -2x3

Reorder the terms:
5x + -2x3 = -5x + 5x + 2x3 + -2x3

Combine like terms: -5x + 5x = 0
5x + -2x3 = 0 + 2x3 + -2x3
5x + -2x3 = 2x3 + -2x3

Combine like terms: 2x3 + -2x3 = 0
5x + -2x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(5 + -2x2) = 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 + -2x2)' equal to zero and attempt to solve: Simplifying 5 + -2x2 = 0 Solving 5 + -2x2 = 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 + -2x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x2 = 0 + -5 -2x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -2x2 = -5 Divide each side by '-2'. x2 = 2.5 Simplifying x2 = 2.5 Take the square root of each side: x = {-1.58113883, 1.58113883}

Solution

x = {0, -1.58113883, 1.58113883}

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