Предмет: Алгебра, автор: saravense

задание 2; 3, прошу помощи.​

Приложения:
binamaksimchuk: (2а)³-1=8а³-1
При а= - 1/2 8а³-1=8(-1/2)³-1=8 *(-1/8)-1= -2
3
1)х²-у²+х-у=2(х-у)(х+у)

Ответы

Автор ответа: Aspirant2022
1

Ответ:

В прикрепленном ниже фото

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