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Simplifying (n + -2)(8n + -2) = 0 Reorder the terms: (-2 + n)(8n + -2) = 0 Reorder the terms: (-2 + n)(-2 + 8n) = 0 Multiply (-2 + n) * (-2 + 8n) (-2(-2 + 8n) + n(-2 + 8n)) = 0 ((-2 * -2 + 8n * -2) + n(-2 + 8n)) = 0 ((4 + -16n) + n(-2 + 8n)) = 0 (4 + -16n + (-2 * n + 8n * n)) = 0 (4 + -16n + (-2n + 8n2)) = 0 Combine like terms: -16n + -2n = -18n (4 + -18n + 8n2) = 0 Solving 4 + -18n + 8n2 = 0 Solving for variable 'n'. Factor out the Greatest Common Factor (GCF), '2'. 2(2 + -9n + 4n2) = 0 Factor a trinomial. 2((1 + -4n)(2 + -1n)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + -4n)' equal to zero and attempt to solve: Simplifying 1 + -4n = 0 Solving 1 + -4n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -4n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4n = 0 + -1 -4n = 0 + -1 Combine like terms: 0 + -1 = -1 -4n = -1 Divide each side by '-4'. n = 0.25 Simplifying n = 0.25Subproblem 2
Set the factor '(2 + -1n)' equal to zero and attempt to solve: Simplifying 2 + -1n = 0 Solving 2 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1n = 0 + -2 -1n = 0 + -2 Combine like terms: 0 + -2 = -2 -1n = -2 Divide each side by '-1'. n = 2 Simplifying n = 2Solution
n = {0.25, 2}
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