(9x+7)(2x-3)=(6x-5)(2x-3)

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Solution for (9x+7)(2x-3)=(6x-5)(2x-3) equation:


Simplifying
(9x + 7)(2x + -3) = (6x + -5)(2x + -3)

Reorder the terms:
(7 + 9x)(2x + -3) = (6x + -5)(2x + -3)

Reorder the terms:
(7 + 9x)(-3 + 2x) = (6x + -5)(2x + -3)

Multiply (7 + 9x) * (-3 + 2x)
(7(-3 + 2x) + 9x * (-3 + 2x)) = (6x + -5)(2x + -3)
((-3 * 7 + 2x * 7) + 9x * (-3 + 2x)) = (6x + -5)(2x + -3)
((-21 + 14x) + 9x * (-3 + 2x)) = (6x + -5)(2x + -3)
(-21 + 14x + (-3 * 9x + 2x * 9x)) = (6x + -5)(2x + -3)
(-21 + 14x + (-27x + 18x2)) = (6x + -5)(2x + -3)

Combine like terms: 14x + -27x = -13x
(-21 + -13x + 18x2) = (6x + -5)(2x + -3)

Reorder the terms:
-21 + -13x + 18x2 = (-5 + 6x)(2x + -3)

Reorder the terms:
-21 + -13x + 18x2 = (-5 + 6x)(-3 + 2x)

Multiply (-5 + 6x) * (-3 + 2x)
-21 + -13x + 18x2 = (-5(-3 + 2x) + 6x * (-3 + 2x))
-21 + -13x + 18x2 = ((-3 * -5 + 2x * -5) + 6x * (-3 + 2x))
-21 + -13x + 18x2 = ((15 + -10x) + 6x * (-3 + 2x))
-21 + -13x + 18x2 = (15 + -10x + (-3 * 6x + 2x * 6x))
-21 + -13x + 18x2 = (15 + -10x + (-18x + 12x2))

Combine like terms: -10x + -18x = -28x
-21 + -13x + 18x2 = (15 + -28x + 12x2)

Solving
-21 + -13x + 18x2 = 15 + -28x + 12x2

Solving for variable 'x'.

Reorder the terms:
-21 + -15 + -13x + 28x + 18x2 + -12x2 = 15 + -28x + 12x2 + -15 + 28x + -12x2

Combine like terms: -21 + -15 = -36
-36 + -13x + 28x + 18x2 + -12x2 = 15 + -28x + 12x2 + -15 + 28x + -12x2

Combine like terms: -13x + 28x = 15x
-36 + 15x + 18x2 + -12x2 = 15 + -28x + 12x2 + -15 + 28x + -12x2

Combine like terms: 18x2 + -12x2 = 6x2
-36 + 15x + 6x2 = 15 + -28x + 12x2 + -15 + 28x + -12x2

Reorder the terms:
-36 + 15x + 6x2 = 15 + -15 + -28x + 28x + 12x2 + -12x2

Combine like terms: 15 + -15 = 0
-36 + 15x + 6x2 = 0 + -28x + 28x + 12x2 + -12x2
-36 + 15x + 6x2 = -28x + 28x + 12x2 + -12x2

Combine like terms: -28x + 28x = 0
-36 + 15x + 6x2 = 0 + 12x2 + -12x2
-36 + 15x + 6x2 = 12x2 + -12x2

Combine like terms: 12x2 + -12x2 = 0
-36 + 15x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-12 + 5x + 2x2) = 0

Factor a trinomial.
3((-4 + -1x)(3 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

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 = {-4, 1.5}

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