(5x+3)(3x+6)=

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Solution for (5x+3)(3x+6)= equation:


Simplifying
(5x + 3)(3x + 6) = 0

Reorder the terms:
(3 + 5x)(3x + 6) = 0

Reorder the terms:
(3 + 5x)(6 + 3x) = 0

Multiply (3 + 5x) * (6 + 3x)
(3(6 + 3x) + 5x * (6 + 3x)) = 0
((6 * 3 + 3x * 3) + 5x * (6 + 3x)) = 0
((18 + 9x) + 5x * (6 + 3x)) = 0
(18 + 9x + (6 * 5x + 3x * 5x)) = 0
(18 + 9x + (30x + 15x2)) = 0

Combine like terms: 9x + 30x = 39x
(18 + 39x + 15x2) = 0

Solving
18 + 39x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(6 + 13x + 5x2) = 0

Factor a trinomial.
3((2 + x)(3 + 5x)) = 0

Ignore the factor 3.

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 + 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 = {-2, -0.6}

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