(12x-4)(3x+6)=0

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Solution for (12x-4)(3x+6)=0 equation:


Simplifying
(12x + -4)(3x + 6) = 0

Reorder the terms:
(-4 + 12x)(3x + 6) = 0

Reorder the terms:
(-4 + 12x)(6 + 3x) = 0

Multiply (-4 + 12x) * (6 + 3x)
(-4(6 + 3x) + 12x * (6 + 3x)) = 0
((6 * -4 + 3x * -4) + 12x * (6 + 3x)) = 0
((-24 + -12x) + 12x * (6 + 3x)) = 0
(-24 + -12x + (6 * 12x + 3x * 12x)) = 0
(-24 + -12x + (72x + 36x2)) = 0

Combine like terms: -12x + 72x = 60x
(-24 + 60x + 36x2) = 0

Solving
-24 + 60x + 36x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '12'.
12(-2 + 5x + 3x2) = 0

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

Ignore the factor 12.

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 '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {-2, 0.3333333333}

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