2x^3=5x^2-2x

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


Simplifying
2x3 = 5x2 + -2x

Reorder the terms:
2x3 = -2x + 5x2

Solving
2x3 = -2x + 5x2

Solving for variable 'x'.

Reorder the terms:
2x + -5x2 + 2x3 = -2x + 5x2 + 2x + -5x2

Reorder the terms:
2x + -5x2 + 2x3 = -2x + 2x + 5x2 + -5x2

Combine like terms: -2x + 2x = 0
2x + -5x2 + 2x3 = 0 + 5x2 + -5x2
2x + -5x2 + 2x3 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
2x + -5x2 + 2x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(2 + -5x + 2x2) = 0

Factor a trinomial.
x((1 + -2x)(2 + -1x)) = 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 '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Subproblem 3

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0, 0.5, 2}

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