(5x+3)(2x+3)=0

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Solution for (5x+3)(2x+3)=0 equation:


Simplifying
(5x + 3)(2x + 3) = 0

Reorder the terms:
(3 + 5x)(2x + 3) = 0

Reorder the terms:
(3 + 5x)(3 + 2x) = 0

Multiply (3 + 5x) * (3 + 2x)
(3(3 + 2x) + 5x * (3 + 2x)) = 0
((3 * 3 + 2x * 3) + 5x * (3 + 2x)) = 0
((9 + 6x) + 5x * (3 + 2x)) = 0
(9 + 6x + (3 * 5x + 2x * 5x)) = 0
(9 + 6x + (15x + 10x2)) = 0

Combine like terms: 6x + 15x = 21x
(9 + 21x + 10x2) = 0

Solving
9 + 21x + 10x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + 2x)(3 + 5x) = 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 + 5x)' equal to zero and attempt to solve: Simplifying 3 + 5x = 0 Solving 3 + 5x = 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 + 5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x = 0 + -3 5x = 0 + -3 Combine like terms: 0 + -3 = -3 5x = -3 Divide each side by '5'. x = -0.6 Simplifying x = -0.6

Solution

x = {-1.5, -0.6}

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