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Simplifying 5n2 = -8 + 13n Solving 5n2 = -8 + 13n Solving for variable 'n'. Reorder the terms: 8 + -13n + 5n2 = -8 + 13n + 8 + -13n Reorder the terms: 8 + -13n + 5n2 = -8 + 8 + 13n + -13n Combine like terms: -8 + 8 = 0 8 + -13n + 5n2 = 0 + 13n + -13n 8 + -13n + 5n2 = 13n + -13n Combine like terms: 13n + -13n = 0 8 + -13n + 5n2 = 0 Factor a trinomial. (1 + -1n)(8 + -5n) = 0Subproblem 1
Set the factor '(1 + -1n)' equal to zero and attempt to solve: Simplifying 1 + -1n = 0 Solving 1 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1n = 0 + -1 -1n = 0 + -1 Combine like terms: 0 + -1 = -1 -1n = -1 Divide each side by '-1'. n = 1 Simplifying n = 1Subproblem 2
Set the factor '(8 + -5n)' equal to zero and attempt to solve: Simplifying 8 + -5n = 0 Solving 8 + -5n = 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 + -5n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5n = 0 + -8 -5n = 0 + -8 Combine like terms: 0 + -8 = -8 -5n = -8 Divide each side by '-5'. n = 1.6 Simplifying n = 1.6Solution
n = {1, 1.6}
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