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Simplifying (n + -3)(n + 10) = 0 Reorder the terms: (-3 + n)(n + 10) = 0 Reorder the terms: (-3 + n)(10 + n) = 0 Multiply (-3 + n) * (10 + n) (-3(10 + n) + n(10 + n)) = 0 ((10 * -3 + n * -3) + n(10 + n)) = 0 ((-30 + -3n) + n(10 + n)) = 0 (-30 + -3n + (10 * n + n * n)) = 0 (-30 + -3n + (10n + n2)) = 0 Combine like terms: -3n + 10n = 7n (-30 + 7n + n2) = 0 Solving -30 + 7n + n2 = 0 Solving for variable 'n'. Factor a trinomial. (-10 + -1n)(3 + -1n) = 0Subproblem 1
Set the factor '(-10 + -1n)' equal to zero and attempt to solve: Simplifying -10 + -1n = 0 Solving -10 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1n = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1n = 0 + 10 -1n = 0 + 10 Combine like terms: 0 + 10 = 10 -1n = 10 Divide each side by '-1'. n = -10 Simplifying n = -10Subproblem 2
Set the factor '(3 + -1n)' equal to zero and attempt to solve: Simplifying 3 + -1n = 0 Solving 3 + -1n = 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 + -1n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1n = 0 + -3 -1n = 0 + -3 Combine like terms: 0 + -3 = -3 -1n = -3 Divide each side by '-1'. n = 3 Simplifying n = 3Solution
n = {-10, 3}
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