((x^2-4)/(9-m^2)):((x-2)/(3+m))-(2/(3-m)). Created by Кристина20158. algebra-ru

(3-m))...

Кристина20158 @Кристина20158

August 2021 1 8 Report

((x^2-4)/(9-m^2)):((x-2)/(3+m))-(2/(3-m))

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inblu

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$\frac{x^2-4}{9-m^2}: \frac{x-2}{3+m}- \frac{2}{3-m}= \frac{(x-2)(x+2)}{(3-m)(3+m)}: \frac{x-2}{3+m}- \frac{2}{3-m}= \\ = \frac{(x-2)(x+2)}{(3-m)(3+m)}* \frac{3+m}{x-2}- \frac{2}{3-m}=\frac{x+2}{3-m}- \frac{2}{3-m}= \frac{x+2-2}{3-m}= \frac{x}{3-m}$

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