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Автор - Karelin01

a^2+ax+ab+bx/a^2-ax-ab+bx*a^2-ax-bx+ab/a^2+ax-bx-ab
помогите пожалуйста!

Ответ

Автор - CVita
 frac{a^2+ax+ab+bx}{a^2-ax-ab+bx}* frac{a^2-ax-bx+ab}{a^2+ax-bx+ab}= \  \  frac{a(a+x)+b(a+x)}{a(a-x)-b(a-x)}* frac{a(a-x)+b(a-x)}{a(a+x)-b(x+a)}= \  \  frac{(a+x)(a+b)}{(a-x)(a-b)}* frac{(a-x)(a+b)}{(a-b)(a+x)}= frac{(a+b)}{(a-b)}* frac{(a+b)}{(a-b)}= frac{(a+b)^2}{(a-b)^2} =( frac{(a+b)}{(a-b)})^2

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