3x^2+9x+60=180

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Solution for 3x^2+9x+60=180 equation:


Simplifying
3x2 + 9x + 60 = 180

Reorder the terms:
60 + 9x + 3x2 = 180

Solving
60 + 9x + 3x2 = 180

Solving for variable 'x'.

Reorder the terms:
60 + -180 + 9x + 3x2 = 180 + -180

Combine like terms: 60 + -180 = -120
-120 + 9x + 3x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-120 + 9x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-40 + 3x + x2) = 0

Factor a trinomial.
3((-8 + -1x)(5 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-8, 5}

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