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Simplifying (5n + 6)(n + 7) = 0 Reorder the terms: (6 + 5n)(n + 7) = 0 Reorder the terms: (6 + 5n)(7 + n) = 0 Multiply (6 + 5n) * (7 + n) (6(7 + n) + 5n * (7 + n)) = 0 ((7 * 6 + n * 6) + 5n * (7 + n)) = 0 ((42 + 6n) + 5n * (7 + n)) = 0 (42 + 6n + (7 * 5n + n * 5n)) = 0 (42 + 6n + (35n + 5n2)) = 0 Combine like terms: 6n + 35n = 41n (42 + 41n + 5n2) = 0 Solving 42 + 41n + 5n2 = 0 Solving for variable 'n'. Factor a trinomial. (7 + n)(6 + 5n) = 0Subproblem 1
Set the factor '(7 + n)' equal to zero and attempt to solve: Simplifying 7 + n = 0 Solving 7 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + n = 0 + -7 n = 0 + -7 Combine like terms: 0 + -7 = -7 n = -7 Simplifying n = -7Subproblem 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 = {-7, -1.2}
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