Предмет: Математика, автор: pyhtinaalena4592

Буду благодарна тем, кто поможет:) ​

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Автор ответа: leutskaaula
1

2)х²+8х+7/х²-9х-10=х²+7х+х+7/х²+х-10х-10=х(х+7)+х+7/х(х+1)-10(х+1)=(х+7)(х+1)/(х+1)(х-10)=х+7/х-10

3) график вверху

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