-0,2х^2+7,2=0
-х^2+36=0
-х^2=-36
Х1=-6
Х2=6
-4х^2+1=0
-4х^2=-1
Х1=-1/2
Х2=1/2
-0,2х^2=0
0,2х^2=0
х^2=0
х=0
-4х^2=0
4х^2=0
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Answers & Comments
-0,2х^2+7,2=0
-х^2+36=0
-х^2=-36
Х1=-6
Х2=6
-4х^2+1=0
-4х^2=-1
Х1=-1/2
Х2=1/2
-0,2х^2=0
0,2х^2=0
х^2=0
х=0
-4х^2=0
4х^2=0
х^2=0
х=0