Предмет: Математика, автор: lercha88

помогите решить
(-4х-7)(0,3х+2,7)=0

Ответы

Автор ответа: dimtri
1

Ответ:

-4x-7=0

x=-7/4

x=-1.75

0.3x+2.7=0

x=-2.7/0.3

x=-9

Ответ:x=-9 x=-1.75

Пошаговое объяснение:

dimtri: изи
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