(Х-2у)^2-(х+2у)(2у-х)...

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November 2021 1 10 Report

(Х-2у)^2-(х+2у)(2у-х)

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TihonovaTaganr (x-2y)^2-(x+2y)(2y-x)=x^2+4xy-4y^2+4y^2+x^2=2x^2-4xy=2x(x-2y)

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