Спростіть вираз-9y(y-3)+4,5y(2y-4)= варіанти:а)45y b)-45y c)-9y d)9y

Спростіть вираз-9y(y-3)+4,5y(2y-4)= варіанти:а)45y b)-45y c)-9y d)9y
- Предмет:
  Алгебра
- Автор:
  bruceclarke
- 1 год назад

Ответы 2

спрощення до цього виразу: d)9y
- Автор:
  atlasramirez
- 1 год назад
- 7
Ответ:
9у(у-3)+4,5у(2у-4)=1) 9y
Объяснение:
1) - 9y(y - 3) + 4,5y(2y - 4). Раскрываем скобки, если перед скобкой стоит знак минус, то знаки слагаемых в скобках изменяться на противоположные. Получаем: - 9y^2 + 27y + 9y^2 - 18y. Приводим подобные слагаемые: 9y.
- Автор:
  santanamwyb
- 1 год назад
- 13
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Спростіть вираз-9y(y-3)+4,5y(2y-4)= варіанти:а)45y b)-45y c)-9y d)9y

Ответы 2

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