(9+2x)(6+2x)=108

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Solution for (9+2x)(6+2x)=108 equation:


Simplifying
(9 + 2x)(6 + 2x) = 108

Multiply (9 + 2x) * (6 + 2x)
(9(6 + 2x) + 2x * (6 + 2x)) = 108
((6 * 9 + 2x * 9) + 2x * (6 + 2x)) = 108
((54 + 18x) + 2x * (6 + 2x)) = 108
(54 + 18x + (6 * 2x + 2x * 2x)) = 108
(54 + 18x + (12x + 4x2)) = 108

Combine like terms: 18x + 12x = 30x
(54 + 30x + 4x2) = 108

Solving
54 + 30x + 4x2 = 108

Solving for variable 'x'.

Reorder the terms:
54 + -108 + 30x + 4x2 = 108 + -108

Combine like terms: 54 + -108 = -54
-54 + 30x + 4x2 = 108 + -108

Combine like terms: 108 + -108 = 0
-54 + 30x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-27 + 15x + 2x2) = 0

Factor a trinomial.
2((-9 + -1x)(3 + -2x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

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 = {-9, 1.5}

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