Răspuns :
Conditie x≥0
Se ridica ambiimembrii la patrat
x=(x+1)²
x=x²+2x+1
x²+2x+1-x=0
x²+x+1=0
Determinantul Δ=1-4=-3<0
ecuatiia nu admite solutii reale
Se ridica ambiimembrii la patrat
x=(x+1)²
x=x²+2x+1
x²+2x+1-x=0
x²+x+1=0
Determinantul Δ=1-4=-3<0
ecuatiia nu admite solutii reale