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Simplifying 6n2 = 15 + n Solving 6n2 = 15 + n Solving for variable 'n'. Reorder the terms: -15 + -1n + 6n2 = 15 + n + -15 + -1n Reorder the terms: -15 + -1n + 6n2 = 15 + -15 + n + -1n Combine like terms: 15 + -15 = 0 -15 + -1n + 6n2 = 0 + n + -1n -15 + -1n + 6n2 = n + -1n Combine like terms: n + -1n = 0 -15 + -1n + 6n2 = 0 Factor a trinomial. (-3 + -2n)(5 + -3n) = 0Subproblem 1
Set the factor '(-3 + -2n)' equal to zero and attempt to solve: Simplifying -3 + -2n = 0 Solving -3 + -2n = 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 + -2n = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2n = 0 + 3 -2n = 0 + 3 Combine like terms: 0 + 3 = 3 -2n = 3 Divide each side by '-2'. n = -1.5 Simplifying n = -1.5Subproblem 2
Set the factor '(5 + -3n)' equal to zero and attempt to solve: Simplifying 5 + -3n = 0 Solving 5 + -3n = 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 + -3n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3n = 0 + -5 -3n = 0 + -5 Combine like terms: 0 + -5 = -5 -3n = -5 Divide each side by '-3'. n = 1.666666667 Simplifying n = 1.666666667Solution
n = {-1.5, 1.666666667}
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