x^3+5x^2=66x

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Solution for x^3+5x^2=66x equation:


Simplifying
x3 + 5x2 = 66x

Reorder the terms:
5x2 + x3 = 66x

Solving
5x2 + x3 = 66x

Solving for variable 'x'.

Reorder the terms:
-66x + 5x2 + x3 = 66x + -66x

Combine like terms: 66x + -66x = 0
-66x + 5x2 + x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-66 + 5x + x2) = 0

Factor a trinomial.
x((-11 + -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 '(-11 + -1x)' equal to zero and attempt to solve: Simplifying -11 + -1x = 0 Solving -11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1x = 0 + 11 -1x = 0 + 11 Combine like terms: 0 + 11 = 11 -1x = 11 Divide each side by '-1'. x = -11 Simplifying x = -11

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, -11, 6}

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