Предмет: Алгебра, автор: 8ано

1,5( x-2)-2(3-1,5x) при x=-0,2
упростить выражение

Ответы

Автор ответа: Kolonnka
0
1.5(х-2)-2(3-1.5х)
Раскроем скобки
1.5х-3-6+3х
Дальше все складываем
4.5х-9
Выносим общий множитель за скобки
4.5(х-2)
х=-0.2
4.5(-0.2-2)=4.5*(-2.2)=-9.9
Если помог - палец вверх и отметь как лучший ответ)
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