2x^3=12x^2-18x

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Solution for 2x^3=12x^2-18x equation:


Simplifying
2x3 = 12x2 + -18x

Reorder the terms:
2x3 = -18x + 12x2

Solving
2x3 = -18x + 12x2

Solving for variable 'x'.

Reorder the terms:
18x + -12x2 + 2x3 = -18x + 12x2 + 18x + -12x2

Reorder the terms:
18x + -12x2 + 2x3 = -18x + 18x + 12x2 + -12x2

Combine like terms: -18x + 18x = 0
18x + -12x2 + 2x3 = 0 + 12x2 + -12x2
18x + -12x2 + 2x3 = 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
18x + -12x2 + 2x3 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(9 + -6x + x2) = 0

Factor a trinomial.
2x((3 + -1x)(3 + -1x)) = 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 '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 3

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {0, 3, 3}

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