(3x+2)*(-x-12)=0

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Solution for (3x+2)*(-x-12)=0 equation:


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

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

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

Multiply (2 + 3x) * (-12 + -1x)
(2(-12 + -1x) + 3x * (-12 + -1x)) = 0
((-12 * 2 + -1x * 2) + 3x * (-12 + -1x)) = 0
((-24 + -2x) + 3x * (-12 + -1x)) = 0
(-24 + -2x + (-12 * 3x + -1x * 3x)) = 0
(-24 + -2x + (-36x + -3x2)) = 0

Combine like terms: -2x + -36x = -38x
(-24 + -38x + -3x2) = 0

Solving
-24 + -38x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(24 + 38x + 3x2) = 0

Factor a trinomial.
-1((12 + x)(2 + 3x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(12 + x)' equal to zero and attempt to solve: Simplifying 12 + x = 0 Solving 12 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + x = 0 + -12 x = 0 + -12 Combine like terms: 0 + -12 = -12 x = -12 Simplifying x = -12

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-12, -0.6666666667}

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