x^3+8x^2-11x=-2x

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Solution for x^3+8x^2-11x=-2x equation:


Simplifying
x3 + 8x2 + -11x = -2x

Reorder the terms:
-11x + 8x2 + x3 = -2x

Solving
-11x + 8x2 + x3 = -2x

Solving for variable 'x'.

Reorder the terms:
-11x + 2x + 8x2 + x3 = -2x + 2x

Combine like terms: -11x + 2x = -9x
-9x + 8x2 + x3 = -2x + 2x

Combine like terms: -2x + 2x = 0
-9x + 8x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + 8x + x2) = 0

Factor a trinomial.
x((-9 + -1x)(1 + -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 '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 3

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {0, -9, 1}

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