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Simplifying (n + 4)(n + 3) = 0 Reorder the terms: (4 + n)(n + 3) = 0 Reorder the terms: (4 + n)(3 + n) = 0 Multiply (4 + n) * (3 + n) (4(3 + n) + n(3 + n)) = 0 ((3 * 4 + n * 4) + n(3 + n)) = 0 ((12 + 4n) + n(3 + n)) = 0 (12 + 4n + (3 * n + n * n)) = 0 (12 + 4n + (3n + n2)) = 0 Combine like terms: 4n + 3n = 7n (12 + 7n + n2) = 0 Solving 12 + 7n + n2 = 0 Solving for variable 'n'. Factor a trinomial. (4 + n)(3 + n) = 0Subproblem 1
Set the factor '(4 + n)' equal to zero and attempt to solve: Simplifying 4 + n = 0 Solving 4 + n = 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 + n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + n = 0 + -4 n = 0 + -4 Combine like terms: 0 + -4 = -4 n = -4 Simplifying n = -4Subproblem 2
Set the factor '(3 + n)' equal to zero and attempt to solve: Simplifying 3 + n = 0 Solving 3 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + n = 0 + -3 n = 0 + -3 Combine like terms: 0 + -3 = -3 n = -3 Simplifying n = -3Solution
n = {-4, -3}
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