3n^2+7n-118=-8

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Solution for 3n^2+7n-118=-8 equation:


Simplifying
3n2 + 7n + -118 = -8

Reorder the terms:
-118 + 7n + 3n2 = -8

Solving
-118 + 7n + 3n2 = -8

Solving for variable 'n'.

Reorder the terms:
-118 + 8 + 7n + 3n2 = -8 + 8

Combine like terms: -118 + 8 = -110
-110 + 7n + 3n2 = -8 + 8

Combine like terms: -8 + 8 = 0
-110 + 7n + 3n2 = 0

Factor a trinomial.
(-22 + -3n)(5 + -1n) = 0

Subproblem 1

Set the factor '(-22 + -3n)' equal to zero and attempt to solve: Simplifying -22 + -3n = 0 Solving -22 + -3n = 0 Move all terms containing n to the left, all other terms to the right. Add '22' to each side of the equation. -22 + 22 + -3n = 0 + 22 Combine like terms: -22 + 22 = 0 0 + -3n = 0 + 22 -3n = 0 + 22 Combine like terms: 0 + 22 = 22 -3n = 22 Divide each side by '-3'. n = -7.333333333 Simplifying n = -7.333333333

Subproblem 2

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

Solution

n = {-7.333333333, 5}

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