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