Предмет: Математика, автор: 9j646hi4et

Решите пожалуйста !!!!!!

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Автор ответа: parus77
1

Ответ:

-12

Пошаговое объяснение:

решение внизу

разложим первую скобку как разность квадратов,и заменим знак деления чертой дроби

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