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Simplifying n2 = -2n + 8 Reorder the terms: n2 = 8 + -2n Solving n2 = 8 + -2n Solving for variable 'n'. Reorder the terms: -8 + 2n + n2 = 8 + -2n + -8 + 2n Reorder the terms: -8 + 2n + n2 = 8 + -8 + -2n + 2n Combine like terms: 8 + -8 = 0 -8 + 2n + n2 = 0 + -2n + 2n -8 + 2n + n2 = -2n + 2n Combine like terms: -2n + 2n = 0 -8 + 2n + n2 = 0 Factor a trinomial. (-4 + -1n)(2 + -1n) = 0Subproblem 1
Set the factor '(-4 + -1n)' equal to zero and attempt to solve: Simplifying -4 + -1n = 0 Solving -4 + -1n = 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 + -1n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1n = 0 + 4 -1n = 0 + 4 Combine like terms: 0 + 4 = 4 -1n = 4 Divide each side by '-1'. n = -4 Simplifying n = -4Subproblem 2
Set the factor '(2 + -1n)' equal to zero and attempt to solve: Simplifying 2 + -1n = 0 Solving 2 + -1n = 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 + -1n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1n = 0 + -2 -1n = 0 + -2 Combine like terms: 0 + -2 = -2 -1n = -2 Divide each side by '-1'. n = 2 Simplifying n = 2Solution
n = {-4, 2}
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