12n^2-22n-12=8

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Solution for 12n^2-22n-12=8 equation:


Simplifying
12n2 + -22n + -12 = 8

Reorder the terms:
-12 + -22n + 12n2 = 8

Solving
-12 + -22n + 12n2 = 8

Solving for variable 'n'.

Reorder the terms:
-12 + -8 + -22n + 12n2 = 8 + -8

Combine like terms: -12 + -8 = -20
-20 + -22n + 12n2 = 8 + -8

Combine like terms: 8 + -8 = 0
-20 + -22n + 12n2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + -11n + 6n2) = 0

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

Ignore the factor 2.

Subproblem 1

Set the factor '(-2 + -3n)' equal to zero and attempt to solve: Simplifying -2 + -3n = 0 Solving -2 + -3n = 0 Move all terms containing n to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3n = 0 + 2 -3n = 0 + 2 Combine like terms: 0 + 2 = 2 -3n = 2 Divide each side by '-3'. n = -0.6666666667 Simplifying n = -0.6666666667

Subproblem 2

Set the factor '(5 + -2n)' equal to zero and attempt to solve: Simplifying 5 + -2n = 0 Solving 5 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2n = 0 + -5 -2n = 0 + -5 Combine like terms: 0 + -5 = -5 -2n = -5 Divide each side by '-2'. n = 2.5 Simplifying n = 2.5

Solution

n = {-0.6666666667, 2.5}

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