(х+2)(х-6)-(х-7)(х+7) <30-3х как правильно решать? - №2499754

(х+2)(х-6)-(х-7)(х+7) <30-3х
как правильно решать?
- Предмет:
  Алгебра
- Автор:
  buddyrose
- 5 лет назад

Ответы 1

2х-6х+2х-12-2х+7х-7х-49<30-3х2х-6х+2х-2х+7х-7х+3х<30+49+12-х<91х<-91
- Автор:
  cyrus95
- 5 лет назад
- 0
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