(6x-9)(2x+4)=0

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Solution for (6x-9)(2x+4)=0 equation:


Simplifying
(6x + -9)(2x + 4) = 0

Reorder the terms:
(-9 + 6x)(2x + 4) = 0

Reorder the terms:
(-9 + 6x)(4 + 2x) = 0

Multiply (-9 + 6x) * (4 + 2x)
(-9(4 + 2x) + 6x * (4 + 2x)) = 0
((4 * -9 + 2x * -9) + 6x * (4 + 2x)) = 0
((-36 + -18x) + 6x * (4 + 2x)) = 0
(-36 + -18x + (4 * 6x + 2x * 6x)) = 0
(-36 + -18x + (24x + 12x2)) = 0

Combine like terms: -18x + 24x = 6x
(-36 + 6x + 12x2) = 0

Solving
-36 + 6x + 12x2 = 0

Solving for variable 'x'.

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

Factor a trinomial.
6((-2 + -1x)(3 + -2x)) = 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 '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {-2, 1.5}

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