(3x-12)*(4+2x)=0

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Solution for (3x-12)*(4+2x)=0 equation:


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

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

Multiply (-12 + 3x) * (4 + 2x)
(-12(4 + 2x) + 3x * (4 + 2x)) = 0
((4 * -12 + 2x * -12) + 3x * (4 + 2x)) = 0
((-48 + -24x) + 3x * (4 + 2x)) = 0
(-48 + -24x + (4 * 3x + 2x * 3x)) = 0
(-48 + -24x + (12x + 6x2)) = 0

Combine like terms: -24x + 12x = -12x
(-48 + -12x + 6x2) = 0

Solving
-48 + -12x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-8 + -2x + x2) = 0

Factor a trinomial.
6((-2 + -1x)(4 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

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

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-2, 4}

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