(4x+5)(2x+3)=3

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Solution for (4x+5)(2x+3)=3 equation:


Simplifying
(4x + 5)(2x + 3) = 3

Reorder the terms:
(5 + 4x)(2x + 3) = 3

Reorder the terms:
(5 + 4x)(3 + 2x) = 3

Multiply (5 + 4x) * (3 + 2x)
(5(3 + 2x) + 4x * (3 + 2x)) = 3
((3 * 5 + 2x * 5) + 4x * (3 + 2x)) = 3
((15 + 10x) + 4x * (3 + 2x)) = 3
(15 + 10x + (3 * 4x + 2x * 4x)) = 3
(15 + 10x + (12x + 8x2)) = 3

Combine like terms: 10x + 12x = 22x
(15 + 22x + 8x2) = 3

Solving
15 + 22x + 8x2 = 3

Solving for variable 'x'.

Reorder the terms:
15 + -3 + 22x + 8x2 = 3 + -3

Combine like terms: 15 + -3 = 12
12 + 22x + 8x2 = 3 + -3

Combine like terms: 3 + -3 = 0
12 + 22x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(6 + 11x + 4x2) = 0

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

Ignore the factor 2.

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(3 + 4x)' equal to zero and attempt to solve: Simplifying 3 + 4x = 0 Solving 3 + 4x = 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 + 4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4x = 0 + -3 4x = 0 + -3 Combine like terms: 0 + -3 = -3 4x = -3 Divide each side by '4'. x = -0.75 Simplifying x = -0.75

Solution

x = {-2, -0.75}

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