Предмет: Алгебра, автор: 4ent0

Решите неравенство:
5х^2 + 4х -1/ 7-2х < 0

Ответы

Автор ответа: missFr
3
Решение будет вам полезным.Спрашивайте,что неясно.
Приложения:
4ent0: Откуда 3.5
missFr: Это нуль выражения знаменателя.Я не расписывала,поэтому прошу спрашивать.
Т.е. нули выражений дроби разбивают область значений дроби на промежутки знакопостоянства.
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