помогите решить (1,2х+1,8)*(7х-0,21)=0 - №18938068

помогите решить (1,2х+1,8)*(7х-0,21)=0
- Предмет:
  Математика
- Автор:
  jadynys1c
- 5 лет назад

Ответы 1

(1,2х+1,8)*(7х-0,21)=01,2х+1,8=01,2х= -1,8х=-1,8:1,2х= -1,57х-0,21=07х=0,21х=0,21:7х=0,03х1= -1,5; х2= 0,03
- Автор:
  douglas71
- 5 лет назад
- 0
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