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

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


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

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

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

Multiply (-6 + 9x) * (4 + 9x)
(-6(4 + 9x) + 9x * (4 + 9x)) = 0
((4 * -6 + 9x * -6) + 9x * (4 + 9x)) = 0
((-24 + -54x) + 9x * (4 + 9x)) = 0
(-24 + -54x + (4 * 9x + 9x * 9x)) = 0
(-24 + -54x + (36x + 81x2)) = 0

Combine like terms: -54x + 36x = -18x
(-24 + -18x + 81x2) = 0

Solving
-24 + -18x + 81x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-8 + -6x + 27x2) = 0

Factor a trinomial.
3((-4 + -9x)(2 + -3x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-4 + -9x)' equal to zero and attempt to solve: Simplifying -4 + -9x = 0 Solving -4 + -9x = 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 + -9x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -9x = 0 + 4 -9x = 0 + 4 Combine like terms: 0 + 4 = 4 -9x = 4 Divide each side by '-9'. x = -0.4444444444 Simplifying x = -0.4444444444

Subproblem 2

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {-0.4444444444, 0.6666666667}

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