Multiple Choice

A supply chain analyst is simplifying a cost-efficiency formula represented by the rational expression 142xx249\frac{14-2x}{x^2-49}. After the initial factoring step, the expression is written as 2(7x)(x7)(x+7)\frac{2(7-x)}{(x-7)(x+7)}. To simplify the expression further, the analyst must identify the 'opposite factors.' Which of the following pairs represents these opposite factors?

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Updated 2026-04-20

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