Предмет: Алгебра, автор: rinplei12

Розкладіть на множники 1)15с³-21с²м 2)3b-12k²

Ответы

Автор ответа: Аноним

Ответ:

Всё просто.

Объяснение:

1)15с³-21с²м=3c²(5c-7m)

2)3b-12k²=3(b-4k²)

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