Автор - renimain21

3a(2a+a²)-4a(a²-7a)​

Ответ

Автор - Vanowano

Ответ:

34a²-a³

Объяснение:

3a(2a+a²)-4a(a²-7a) = 6a²+3a³-4a³+28a²= 34a²-a³

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