Предмет: Алгебра, автор: arinkamandarinka1977

-. Знайдіть добуток двочленів 9+х і 7х-5​

Ответы

Автор ответа: ludmilaksenija2005
1

Объяснение:

(9+х)(7х-5)=63х-45+7х²-5х=7х²+58х-45

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