(3x-9)(2x-4)=0

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Solution for (3x-9)(2x-4)=0 equation:


Simplifying
(3x + -9)(2x + -4) = 0

Reorder the terms:
(-9 + 3x)(2x + -4) = 0

Reorder the terms:
(-9 + 3x)(-4 + 2x) = 0

Multiply (-9 + 3x) * (-4 + 2x)
(-9(-4 + 2x) + 3x * (-4 + 2x)) = 0
((-4 * -9 + 2x * -9) + 3x * (-4 + 2x)) = 0
((36 + -18x) + 3x * (-4 + 2x)) = 0
(36 + -18x + (-4 * 3x + 2x * 3x)) = 0
(36 + -18x + (-12x + 6x2)) = 0

Combine like terms: -18x + -12x = -30x
(36 + -30x + 6x2) = 0

Solving
36 + -30x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(6 + -5x + x2) = 0

Factor a trinomial.
6((2 + -1x)(3 + -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 '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {2, 3}

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