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

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


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

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

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

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

Combine like terms: -36x + -6x = -42x
(18 + -42x + 12x2) = 0

Solving
18 + -42x + 12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(3 + -7x + 2x2) = 0

Factor a trinomial.
6((1 + -2x)(3 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

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 = {0.5, 3}

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