(2x+3)(2x+3)+(2x+3)=6

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Solution for (2x+3)(2x+3)+(2x+3)=6 equation:


Simplifying
(2x + 3)(2x + 3) + (2x + 3) = 6

Reorder the terms:
(3 + 2x)(2x + 3) + (2x + 3) = 6

Reorder the terms:
(3 + 2x)(3 + 2x) + (2x + 3) = 6

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

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

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

Remove parenthesis around (3 + 2x)
9 + 12x + 4x2 + 3 + 2x = 6

Reorder the terms:
9 + 3 + 12x + 2x + 4x2 = 6

Combine like terms: 9 + 3 = 12
12 + 12x + 2x + 4x2 = 6

Combine like terms: 12x + 2x = 14x
12 + 14x + 4x2 = 6

Solving
12 + 14x + 4x2 = 6

Solving for variable 'x'.

Reorder the terms:
12 + -6 + 14x + 4x2 = 6 + -6

Combine like terms: 12 + -6 = 6
6 + 14x + 4x2 = 6 + -6

Combine like terms: 6 + -6 = 0
6 + 14x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(3 + 7x + 2x2) = 0

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

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 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 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {-3, -0.5}

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