Răspuns :
|x+1|=2
Ridici la a doua
(x+1)^2=4
x^2 +2x+1=4
x^2+2x-3=0
delta=4+12=16
x1=(-2+4)/2=1
x2=(-2-4)/2=-3
Ridici la a doua
(x+1)^2=4
x^2 +2x+1=4
x^2+2x-3=0
delta=4+12=16
x1=(-2+4)/2=1
x2=(-2-4)/2=-3