(2x+4)(2x+3)-(2x+3)=0

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Solution for (2x+4)(2x+3)-(2x+3)=0 equation:


Simplifying
(2x + 4)(2x + 3) + -1(2x + 3) = 0

Reorder the terms:
(4 + 2x)(2x + 3) + -1(2x + 3) = 0

Reorder the terms:
(4 + 2x)(3 + 2x) + -1(2x + 3) = 0

Multiply (4 + 2x) * (3 + 2x)
(4(3 + 2x) + 2x * (3 + 2x)) + -1(2x + 3) = 0
((3 * 4 + 2x * 4) + 2x * (3 + 2x)) + -1(2x + 3) = 0
((12 + 8x) + 2x * (3 + 2x)) + -1(2x + 3) = 0
(12 + 8x + (3 * 2x + 2x * 2x)) + -1(2x + 3) = 0
(12 + 8x + (6x + 4x2)) + -1(2x + 3) = 0

Combine like terms: 8x + 6x = 14x
(12 + 14x + 4x2) + -1(2x + 3) = 0

Reorder the terms:
12 + 14x + 4x2 + -1(3 + 2x) = 0
12 + 14x + 4x2 + (3 * -1 + 2x * -1) = 0
12 + 14x + 4x2 + (-3 + -2x) = 0

Reorder the terms:
12 + -3 + 14x + -2x + 4x2 = 0

Combine like terms: 12 + -3 = 9
9 + 14x + -2x + 4x2 = 0

Combine like terms: 14x + -2x = 12x
9 + 12x + 4x2 = 0

Solving
9 + 12x + 4x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

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 = {-1.5, -1.5}

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