Предмет: Алгебра, автор: a4575762

разложить на множители 7а²-63=​

Ответы

Автор ответа: kalzhankurmanay
0

Ответ:

7(a-9)

думаю будет так.

Автор ответа: superdenus225
0

Ответ:

7(a-3)(a+3)

Объяснение:

7a²-63=7(a²-9)=7(a-3)(a+3)

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