Предмет: Алгебра, автор: rusatahanov

Помогите упростить выражение и найти его значение
(а-2)(а+1)-(а+3)(а-5)

При -1 Вторая

Ответы

Автор ответа: etaaktau

0

2 2 2
(а - 2) - (а + 15) = а - 17

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