2x^2-10x-12=60

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Solution for 2x^2-10x-12=60 equation:


Simplifying
2x2 + -10x + -12 = 60

Reorder the terms:
-12 + -10x + 2x2 = 60

Solving
-12 + -10x + 2x2 = 60

Solving for variable 'x'.

Reorder the terms:
-12 + -60 + -10x + 2x2 = 60 + -60

Combine like terms: -12 + -60 = -72
-72 + -10x + 2x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-72 + -10x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-36 + -5x + x2) = 0

Factor a trinomial.
2((-4 + -1x)(9 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-4, 9}

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