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Simplifying 11n2 + -31n + -14 = n2 Reorder the terms: -14 + -31n + 11n2 = n2 Solving -14 + -31n + 11n2 = n2 Solving for variable 'n'. Combine like terms: 11n2 + -1n2 = 10n2 -14 + -31n + 10n2 = n2 + -1n2 Combine like terms: n2 + -1n2 = 0 -14 + -31n + 10n2 = 0 Factor a trinomial. (-2 + -5n)(7 + -2n) = 0Subproblem 1
Set the factor '(-2 + -5n)' equal to zero and attempt to solve: Simplifying -2 + -5n = 0 Solving -2 + -5n = 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 + -5n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5n = 0 + 2 -5n = 0 + 2 Combine like terms: 0 + 2 = 2 -5n = 2 Divide each side by '-5'. n = -0.4 Simplifying n = -0.4Subproblem 2
Set the factor '(7 + -2n)' equal to zero and attempt to solve: Simplifying 7 + -2n = 0 Solving 7 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2n = 0 + -7 -2n = 0 + -7 Combine like terms: 0 + -7 = -7 -2n = -7 Divide each side by '-2'. n = 3.5 Simplifying n = 3.5Solution
n = {-0.4, 3.5}
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