12x^3+16x^2=-5x

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Solution for 12x^3+16x^2=-5x equation:


Simplifying
12x3 + 16x2 = -5x

Reorder the terms:
16x2 + 12x3 = -5x

Solving
16x2 + 12x3 = -5x

Solving for variable 'x'.

Reorder the terms:
5x + 16x2 + 12x3 = -5x + 5x

Combine like terms: -5x + 5x = 0
5x + 16x2 + 12x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(5 + 16x + 12x2) = 0

Factor a trinomial.
x((5 + 6x)(1 + 2x)) = 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 '(5 + 6x)' equal to zero and attempt to solve: Simplifying 5 + 6x = 0 Solving 5 + 6x = 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 + 6x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 6x = 0 + -5 6x = 0 + -5 Combine like terms: 0 + -5 = -5 6x = -5 Divide each side by '6'. x = -0.8333333333 Simplifying x = -0.8333333333

Subproblem 3

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 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 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {0, -0.8333333333, -0.5}

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