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Simplifying n2(n + 2) = 168 Reorder the terms: n2(2 + n) = 168 (2 * n2 + n * n2) = 168 (2n2 + n3) = 168 Solving 2n2 + n3 = 168 Solving for variable 'n'. Reorder the terms: -168 + 2n2 + n3 = 168 + -168 Combine like terms: 168 + -168 = 0 -168 + 2n2 + n3 = 0 The solution to this equation could not be determined.
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