Предмет: Алгебра, автор: marinatetercuk

(13у + 12х) (12х - 13у)

Ответы

Автор ответа: lazasv1982

Ответ:

(13y+12x)(12x-13y)=(12x+13y)(12x-13y)=

=(12x)²-(13y)²=144x²-169у²

marinatetercuk: Спасибо)

FaerVator: все верно у нас просто у меня другое упрощение

Автор ответа: FaerVator

Ответ:

см. вложение...............

Приложения:

lazasv1982: только минус а не плюс

marinatetercuk: Спасибо)

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