Ответ:
1) 6х^2+2х-(6х^2+4х-3х-2)=3
6х^2+2х-6х^2-4х+3х+2=3
2х-4х+3х=3-2
х=1
2) 2х^2=2х^2+2х-х-1
2х^2-2х^2-2х+х=-1
- 2х+х=-1
- х=-1
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Answers & Comments
Ответ:
1) 6х^2+2х-(6х^2+4х-3х-2)=3
6х^2+2х-6х^2-4х+3х+2=3
2х-4х+3х=3-2
х=1
2) 2х^2=2х^2+2х-х-1
2х^2-2х^2-2х+х=-1
- 2х+х=-1
- х=-1
х=1