Multiple Choice

A Data Quality Auditor is verifying a mathematical formula used to calculate 'Efficiency Variance': x2−4x−3264−x2\frac{x^2 - 4x - 32}{64 - x^2}. After factoring the numerator and denominator, the auditor identifies the binomial factors (x−8)(x - 8) and (8−x)(8 - x). Which specific mathematical property must the auditor recall to correctly simplify the ratio of these two factors to −1-1?

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Updated 2026-09-18

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Ch.8 Rational Expressions and Equations - Elementary Algebra @ OpenStax

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