Multiple Choice

A supply chain analyst is using the equation q2+3=4q+1\sqrt{q - 2} + 3 = \sqrt{4q + 1} to calculate the optimal inventory level qq. After performing the necessary squaring and simplification steps, the analyst arrives at the factored form of the equation: 9(q6)(q2)=09(q - 6)(q - 2) = 0. Which fundamental mathematical property must the analyst recall to conclude that the potential solutions are q=6q = 6 or q=2q = 2?

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Updated 2026-04-20

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