1)х^2+х=0
х(х+1)=0
х=0 х+1=0
х= -1
2)х-2/6 - х/2=2
х- 2/6 - 3х/6=2
х-2 -3х /6=2
-2х -2/6 =2
-2х -2 = 2•6
-2х-2=12
-2х=12+2
-2х=14
х= 14:(-2)
х= -7
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Answers & Comments
1)х^2+х=0
х(х+1)=0
х=0 х+1=0
х= -1
2)х-2/6 - х/2=2
х- 2/6 - 3х/6=2
х-2 -3х /6=2
-2х -2/6 =2
-2х -2 = 2•6
-2х-2=12
-2х=12+2
-2х=14
х= 14:(-2)
х= -7