Предмет: Алгебра, автор: mahsa27ka80

Спростіть вираз: (2x-7y)(3x+4)-15x²

Ответы

Автор ответа: manyny06

0

Ответ:

решение смотри на фотографии

Приложения:

mahsa27ka80: А откуда там 28?

manyny06: -7у*4= -28у

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