(x+5)(5x+60)=0

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Solution for (x+5)(5x+60)=0 equation:


Simplifying
(x + 5)(5x + 60) = 0

Reorder the terms:
(5 + x)(5x + 60) = 0

Reorder the terms:
(5 + x)(60 + 5x) = 0

Multiply (5 + x) * (60 + 5x)
(5(60 + 5x) + x(60 + 5x)) = 0
((60 * 5 + 5x * 5) + x(60 + 5x)) = 0
((300 + 25x) + x(60 + 5x)) = 0
(300 + 25x + (60 * x + 5x * x)) = 0
(300 + 25x + (60x + 5x2)) = 0

Combine like terms: 25x + 60x = 85x
(300 + 85x + 5x2) = 0

Solving
300 + 85x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(60 + 17x + x2) = 0

Factor a trinomial.
5((12 + x)(5 + x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(12 + x)' equal to zero and attempt to solve: Simplifying 12 + x = 0 Solving 12 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + x = 0 + -12 x = 0 + -12 Combine like terms: 0 + -12 = -12 x = -12 Simplifying x = -12

Subproblem 2

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

Solution

x = {-12, -5}

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