Ответ:
1+2х-8х²=0
-1+2х+8х²=0
8х²2х-1=0
8х²+2х-4х-1=0
(4х+1)(2х-1)=0
4х+1=0 или 2х-1=0
х1=-0,25
х2=0,5
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Ответ:
1+2х-8х²=0
-1+2х+8х²=0
8х²2х-1=0
8х²+2х-4х-1=0
(4х+1)(2х-1)=0
4х+1=0 или 2х-1=0
х1=-0,25
х2=0,5