Răspuns :
a=2, b=3, c=-1
x= -3+radical3^2-4x2x(-1)
———————————-
2x2
x=-3+radical9+8
———————
4
x1= 3+radical17
——————
4
x2=3-radical17
——————
4
x= -3+radical3^2-4x2x(-1)
———————————-
2x2
x=-3+radical9+8
———————
4
x1= 3+radical17
——————
4
x2=3-radical17
——————
4