(-2x^2-3x-12)-(3x^3+4x^2-12)=

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Solution for (-2x^2-3x-12)-(3x^3+4x^2-12)= equation:


Simplifying
(-2x2 + -3x + -12) + -1(3x3 + 4x2 + -12) = 0

Reorder the terms:
(-12 + -3x + -2x2) + -1(3x3 + 4x2 + -12) = 0

Remove parenthesis around (-12 + -3x + -2x2)
-12 + -3x + -2x2 + -1(3x3 + 4x2 + -12) = 0

Reorder the terms:
-12 + -3x + -2x2 + -1(-12 + 4x2 + 3x3) = 0
-12 + -3x + -2x2 + (-12 * -1 + 4x2 * -1 + 3x3 * -1) = 0
-12 + -3x + -2x2 + (12 + -4x2 + -3x3) = 0

Reorder the terms:
-12 + 12 + -3x + -2x2 + -4x2 + -3x3 = 0

Combine like terms: -12 + 12 = 0
0 + -3x + -2x2 + -4x2 + -3x3 = 0
-3x + -2x2 + -4x2 + -3x3 = 0

Combine like terms: -2x2 + -4x2 = -6x2
-3x + -6x2 + -3x3 = 0

Solving
-3x + -6x2 + -3x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-3x'.
-3x(1 + 2x + x2) = 0

Factor a trinomial.
-3x((1 + x)(1 + x)) = 0

Ignore the factor -3.

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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 3

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

Solution

x = {0, -1, -1}

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