Предмет: Алгебра, автор: Kristinka26

Тема : Сумма разности кубов двух выражений. как решить? (3а + 4)

Ответы

Автор ответа: galina57

0

3а+4

Сумма кубов:

(3а)³+4³=(3а+4)(9а²-12а+16)

Разность кубов:

(3а)³-4³=(3а-4)(9а²+12а+16)

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