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Автор - TanayKlemeshova

3х-2х(х-1)=2(7-х^2) решить уравнение

Ответ

Автор - lericasokol
3х-2х^2+2х=14-2х^2
3х-2х^2+2х-14+2х^2=0
5х-14=0
5х=14
х=2.8

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