Предмет: Алгебра, автор: Kira1678

Помогите пожалуйста,
Уростите выражения,
(c+4)×(5-c)+(c-3)²

Ответы

Автор ответа: nastyushashulg

0

5c-c^2+20-4c+c^2-6c-9 = -5c+11

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