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Simplifying (5n + 6)(4n + 5) = 0 Reorder the terms: (6 + 5n)(4n + 5) = 0 Reorder the terms: (6 + 5n)(5 + 4n) = 0 Multiply (6 + 5n) * (5 + 4n) (6(5 + 4n) + 5n * (5 + 4n)) = 0 ((5 * 6 + 4n * 6) + 5n * (5 + 4n)) = 0 ((30 + 24n) + 5n * (5 + 4n)) = 0 (30 + 24n + (5 * 5n + 4n * 5n)) = 0 (30 + 24n + (25n + 20n2)) = 0 Combine like terms: 24n + 25n = 49n (30 + 49n + 20n2) = 0 Solving 30 + 49n + 20n2 = 0 Solving for variable 'n'. Factor a trinomial. (5 + 4n)(6 + 5n) = 0Subproblem 1
Set the factor '(5 + 4n)' equal to zero and attempt to solve: Simplifying 5 + 4n = 0 Solving 5 + 4n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4n = 0 + -5 4n = 0 + -5 Combine like terms: 0 + -5 = -5 4n = -5 Divide each side by '4'. n = -1.25 Simplifying n = -1.25Subproblem 2
Set the factor '(6 + 5n)' equal to zero and attempt to solve: Simplifying 6 + 5n = 0 Solving 6 + 5n = 0 Move all terms containing n to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + 5n = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 5n = 0 + -6 5n = 0 + -6 Combine like terms: 0 + -6 = -6 5n = -6 Divide each side by '5'. n = -1.2 Simplifying n = -1.2Solution
n = {-1.25, -1.2}
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