x^3=8x^2-12x

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Solution for x^3=8x^2-12x equation:


Simplifying
x3 = 8x2 + -12x

Reorder the terms:
x3 = -12x + 8x2

Solving
x3 = -12x + 8x2

Solving for variable 'x'.

Reorder the terms:
12x + -8x2 + x3 = -12x + 8x2 + 12x + -8x2

Reorder the terms:
12x + -8x2 + x3 = -12x + 12x + 8x2 + -8x2

Combine like terms: -12x + 12x = 0
12x + -8x2 + x3 = 0 + 8x2 + -8x2
12x + -8x2 + x3 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
12x + -8x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(12 + -8x + x2) = 0

Factor a trinomial.
x((2 + -1x)(6 + -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 '(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

Subproblem 3

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {0, 2, 6}

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