(3x-2)(3x-2)-2(3x-2)-15=0

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Solution for (3x-2)(3x-2)-2(3x-2)-15=0 equation:


Simplifying
(3x + -2)(3x + -2) + -2(3x + -2) + -15 = 0

Reorder the terms:
(-2 + 3x)(3x + -2) + -2(3x + -2) + -15 = 0

Reorder the terms:
(-2 + 3x)(-2 + 3x) + -2(3x + -2) + -15 = 0

Multiply (-2 + 3x) * (-2 + 3x)
(-2(-2 + 3x) + 3x * (-2 + 3x)) + -2(3x + -2) + -15 = 0
((-2 * -2 + 3x * -2) + 3x * (-2 + 3x)) + -2(3x + -2) + -15 = 0
((4 + -6x) + 3x * (-2 + 3x)) + -2(3x + -2) + -15 = 0
(4 + -6x + (-2 * 3x + 3x * 3x)) + -2(3x + -2) + -15 = 0
(4 + -6x + (-6x + 9x2)) + -2(3x + -2) + -15 = 0

Combine like terms: -6x + -6x = -12x
(4 + -12x + 9x2) + -2(3x + -2) + -15 = 0

Reorder the terms:
4 + -12x + 9x2 + -2(-2 + 3x) + -15 = 0
4 + -12x + 9x2 + (-2 * -2 + 3x * -2) + -15 = 0
4 + -12x + 9x2 + (4 + -6x) + -15 = 0

Reorder the terms:
4 + 4 + -15 + -12x + -6x + 9x2 = 0

Combine like terms: 4 + 4 = 8
8 + -15 + -12x + -6x + 9x2 = 0

Combine like terms: 8 + -15 = -7
-7 + -12x + -6x + 9x2 = 0

Combine like terms: -12x + -6x = -18x
-7 + -18x + 9x2 = 0

Solving
-7 + -18x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -3x)(7 + -3x) = 0


Subproblem 1
Set the factor '(-1 + -3x)' equal to zero and attempt to solve:

Simplifying
-1 + -3x = 0

Solving
-1 + -3x = 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 + -3x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -3x = 0 + 1
-3x = 0 + 1

Combine like terms: 0 + 1 = 1
-3x = 1

Divide each side by '-3'.
x = -0.3333333333

Simplifying
x = -0.3333333333

Subproblem 2
Set the factor '(7 + -3x)' equal to zero and attempt to solve:

Simplifying
7 + -3x = 0

Solving
7 + -3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -3x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 0 + -7
-3x = 0 + -7

Combine like terms: 0 + -7 = -7
-3x = -7

Divide each side by '-3'.
x = 2.333333333

Simplifying
x = 2.333333333
Solution
x = {-0.3333333333, 2.333333333}

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