(6x+6)(8x+6)+18x+18=0

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Solution for (6x+6)(8x+6)+18x+18=0 equation:


Simplifying
(6x + 6)(8x + 6) + 18x + 18 = 0

Reorder the terms:
(6 + 6x)(8x + 6) + 18x + 18 = 0

Reorder the terms:
(6 + 6x)(6 + 8x) + 18x + 18 = 0

Multiply (6 + 6x) * (6 + 8x)
(6(6 + 8x) + 6x * (6 + 8x)) + 18x + 18 = 0
((6 * 6 + 8x * 6) + 6x * (6 + 8x)) + 18x + 18 = 0
((36 + 48x) + 6x * (6 + 8x)) + 18x + 18 = 0
(36 + 48x + (6 * 6x + 8x * 6x)) + 18x + 18 = 0
(36 + 48x + (36x + 48x2)) + 18x + 18 = 0

Combine like terms: 48x + 36x = 84x
(36 + 84x + 48x2) + 18x + 18 = 0

Reorder the terms:
36 + 18 + 84x + 18x + 48x2 = 0

Combine like terms: 36 + 18 = 54
54 + 84x + 18x + 48x2 = 0

Combine like terms: 84x + 18x = 102x
54 + 102x + 48x2 = 0

Solving
54 + 102x + 48x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(9 + 17x + 8x2) = 0

Factor a trinomial.
6((9 + 8x)(1 + x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(9 + 8x)' equal to zero and attempt to solve: Simplifying 9 + 8x = 0 Solving 9 + 8x = 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 + 8x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 8x = 0 + -9 8x = 0 + -9 Combine like terms: 0 + -9 = -9 8x = -9 Divide each side by '8'. x = -1.125 Simplifying x = -1.125

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1.125, -1}

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