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Simplifying 7n2 + -20n + -32 = 0 Reorder the terms: -32 + -20n + 7n2 = 0 Solving -32 + -20n + 7n2 = 0 Solving for variable 'n'. Factor a trinomial. (-8 + -7n)(4 + -1n) = 0Subproblem 1
Set the factor '(-8 + -7n)' equal to zero and attempt to solve: Simplifying -8 + -7n = 0 Solving -8 + -7n = 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 + -7n = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -7n = 0 + 8 -7n = 0 + 8 Combine like terms: 0 + 8 = 8 -7n = 8 Divide each side by '-7'. n = -1.142857143 Simplifying n = -1.142857143Subproblem 2
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 = 4Solution
n = {-1.142857143, 4}
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