Ответ:
Пошаговое объяснение:
(x²+1)/(x+1)+(2x/(x+1))=(x²+2x+1)/(x+1)=(x+1)²/(x+1)=x+1.
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Ответ:
Пошаговое объяснение:
(x²+1)/(x+1)+(2x/(x+1))=(x²+2x+1)/(x+1)=(x+1)²/(x+1)=x+1.