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Simplifying 2n2 + n + -120 = 0 Reorder the terms: -120 + n + 2n2 = 0 Solving -120 + n + 2n2 = 0 Solving for variable 'n'. Factor a trinomial. (-8 + -1n)(15 + -2n) = 0Subproblem 1
Set the factor '(-8 + -1n)' equal to zero and attempt to solve: Simplifying -8 + -1n = 0 Solving -8 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1n = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1n = 0 + 8 -1n = 0 + 8 Combine like terms: 0 + 8 = 8 -1n = 8 Divide each side by '-1'. n = -8 Simplifying n = -8Subproblem 2
Set the factor '(15 + -2n)' equal to zero and attempt to solve: Simplifying 15 + -2n = 0 Solving 15 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -2n = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -2n = 0 + -15 -2n = 0 + -15 Combine like terms: 0 + -15 = -15 -2n = -15 Divide each side by '-2'. n = 7.5 Simplifying n = 7.5Solution
n = {-8, 7.5}
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