Предмет: Алгебра, автор: sofiakondrasova84

Помогите решить,срочно, пожалуйста! Раскрить скоби и свести слашаемое 4 (а + 2в) + 7 (а - 3в

Ответы

Автор ответа: kisskatww

Ответ:

11a-13b

улачи!!

Объяснение:

$4(a + 2b) + 7(a - 3b) = 4a + 8b + 7a - 21b = 11a - 13b$

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