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Simplifying 9n2 + -39n = -36 Reorder the terms: -39n + 9n2 = -36 Solving -39n + 9n2 = -36 Solving for variable 'n'. Reorder the terms: 36 + -39n + 9n2 = -36 + 36 Combine like terms: -36 + 36 = 0 36 + -39n + 9n2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(12 + -13n + 3n2) = 0 Factor a trinomial. 3((4 + -3n)(3 + -1n)) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(4 + -3n)' equal to zero and attempt to solve: Simplifying 4 + -3n = 0 Solving 4 + -3n = 0 Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3n = 0 + -4 -3n = 0 + -4 Combine like terms: 0 + -4 = -4 -3n = -4 Divide each side by '-3'. n = 1.333333333 Simplifying n = 1.333333333Subproblem 2
Set the factor '(3 + -1n)' equal to zero and attempt to solve: Simplifying 3 + -1n = 0 Solving 3 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1n = 0 + -3 -1n = 0 + -3 Combine like terms: 0 + -3 = -3 -1n = -3 Divide each side by '-1'. n = 3 Simplifying n = 3Solution
n = {1.333333333, 3}
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