x^3+4x^2-4x-16-8x+16=0

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Solution for x^3+4x^2-4x-16-8x+16=0 equation:


Simplifying
x3 + 4x2 + -4x + -16 + -8x + 16 = 0

Reorder the terms:
-16 + 16 + -4x + -8x + 4x2 + x3 = 0

Combine like terms: -16 + 16 = 0
0 + -4x + -8x + 4x2 + x3 = 0
-4x + -8x + 4x2 + x3 = 0

Combine like terms: -4x + -8x = -12x
-12x + 4x2 + x3 = 0

Solving
-12x + 4x2 + x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-12 + 4x + x2) = 0

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

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, -6, 2}

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