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A logistics coordinator is simplifying the rational expression 14−2xx2−49\frac{14-2x}{x^2-49} for a shipping cost formula. After factoring, the expression is written as 2(7−x)(x−7)(x+7)\frac{2(7-x)}{(x-7)(x+7)}. To finish the simplification, the coordinator identifies the opposite factors (7−x)(7-x) and (x−7)(x-7). According to the opposite factors property, the ratio 7−xx−7\frac{7-x}{x-7} simplifies to the numerical value of ____.

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Updated 2026-09-17

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