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Simplifying 5n(4n + 18) = 0 Reorder the terms: 5n(18 + 4n) = 0 (18 * 5n + 4n * 5n) = 0 (90n + 20n2) = 0 Solving 90n + 20n2 = 0 Solving for variable 'n'. Factor out the Greatest Common Factor (GCF), '10n'. 10n(9 + 2n) = 0 Ignore the factor 10.Subproblem 1
Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n = 0Subproblem 2
Set the factor '(9 + 2n)' equal to zero and attempt to solve: Simplifying 9 + 2n = 0 Solving 9 + 2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2n = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2n = 0 + -9 2n = 0 + -9 Combine like terms: 0 + -9 = -9 2n = -9 Divide each side by '2'. n = -4.5 Simplifying n = -4.5Solution
n = {0, -4.5}
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