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Simplifying 5n2 = -16 + -42n Solving 5n2 = -16 + -42n Solving for variable 'n'. Reorder the terms: 16 + 42n + 5n2 = -16 + -42n + 16 + 42n Reorder the terms: 16 + 42n + 5n2 = -16 + 16 + -42n + 42n Combine like terms: -16 + 16 = 0 16 + 42n + 5n2 = 0 + -42n + 42n 16 + 42n + 5n2 = -42n + 42n Combine like terms: -42n + 42n = 0 16 + 42n + 5n2 = 0 Factor a trinomial. (8 + n)(2 + 5n) = 0Subproblem 1
Set the factor '(8 + n)' equal to zero and attempt to solve: Simplifying 8 + n = 0 Solving 8 + n = 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 + n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + n = 0 + -8 n = 0 + -8 Combine like terms: 0 + -8 = -8 n = -8 Simplifying n = -8Subproblem 2
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 = -0.4Solution
n = {-8, -0.4}
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