Предмет: Алгебра, автор: lostpip

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Ответы

Автор ответа: mrdorlik
1

Ответ:

-24,3

Объяснение:

Раскрываем скобки, получаем

4,5a²-15a-4,5a²+15a-24,3

Все переменные сокращаются, получается просто число -24,3

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