x^3=-11x^2-30x

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Solution for x^3=-11x^2-30x equation:


Simplifying
x3 = -11x2 + -30x

Reorder the terms:
x3 = -30x + -11x2

Solving
x3 = -30x + -11x2

Solving for variable 'x'.

Reorder the terms:
30x + 11x2 + x3 = -30x + -11x2 + 30x + 11x2

Reorder the terms:
30x + 11x2 + x3 = -30x + 30x + -11x2 + 11x2

Combine like terms: -30x + 30x = 0
30x + 11x2 + x3 = 0 + -11x2 + 11x2
30x + 11x2 + x3 = -11x2 + 11x2

Combine like terms: -11x2 + 11x2 = 0
30x + 11x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(30 + 11x + x2) = 0

Factor a trinomial.
x((6 + x)(5 + x)) = 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 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 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 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 3

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {0, -6, -5}

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