Multiple Choice

A project estimator for a construction firm is using the rational equation 4q43q3=1\frac{4}{q-4} - \frac{3}{q-3} = 1 to determine the number of workdays (qq) required for a specialized task. After simplifying the equation and factoring the resulting quadratic expression, the estimator reaches the following step: (q2)(q6)=0(q - 2)(q - 6) = 0 Which mathematical property states that if the product of two factors is zero, then at least one of the factors must be zero, allowing the estimator to conclude that q2=0q - 2 = 0 or q6=0q - 6 = 0?

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Updated 2026-04-21

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