(5x+9)(x+6)=0

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Solution for (5x+9)(x+6)=0 equation:


Simplifying
(5x + 9)(x + 6) = 0

Reorder the terms:
(9 + 5x)(x + 6) = 0

Reorder the terms:
(9 + 5x)(6 + x) = 0

Multiply (9 + 5x) * (6 + x)
(9(6 + x) + 5x * (6 + x)) = 0
((6 * 9 + x * 9) + 5x * (6 + x)) = 0
((54 + 9x) + 5x * (6 + x)) = 0
(54 + 9x + (6 * 5x + x * 5x)) = 0
(54 + 9x + (30x + 5x2)) = 0

Combine like terms: 9x + 30x = 39x
(54 + 39x + 5x2) = 0

Solving
54 + 39x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(6 + x)(9 + 5x) = 0

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(9 + 5x)' equal to zero and attempt to solve: Simplifying 9 + 5x = 0 Solving 9 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5x = 0 + -9 5x = 0 + -9 Combine like terms: 0 + -9 = -9 5x = -9 Divide each side by '5'. x = -1.8 Simplifying x = -1.8

Solution

x = {-6, -1.8}

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