Предмет: Алгебра, автор: Nasssaaa

Ребятки, помогите пожалуйста

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Автор ответа: Natalya0646

1

Объяснение:

б)5а^2+3а-7-5а^3-3а^2+7а-11

5а^2+10а-7-5а^3-3а^2-11

5а^2+10а-18-5а^3-3а^2

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