Предмет: Алгебра, автор: levcenkoangelina65

помогите пожалуйста.

Приложения:

Ответы

Автор ответа: dyachenkolali

1

Ответ:

у^2+4у-45

Объяснение:

у×у+9у-5у-5×9

levcenkoangelina65: прости ну а куда ты взяла 4?)

dyachenkolali: 9-5 скок будет?)

dyachenkolali: 9у-5у=4у и знак большего числа

levcenkoangelina65: можеш помочі?

dyachenkolali: ??

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