Предмет: Математика, автор: Аноним

спростить выраз (c-4)^2-(3-c)^2

Ответы

Автор ответа: Slava491

(с-4)²-(3-с)²=(с-4-3+с)(с-4+3-с)=(2с-7)•(-1)= -2с+7

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