a=int(input("enter a")) b=int(input("enter b")) c=int(input("enter c")) if(a==0): print("quadratic does not exist") else: d=b*b-4*a*c if(d>0): x=(-b+sqrt(d))/2*a y=(-b-sqrt(d))/2*a print(x,y) elif(d==0): x=-b/(2*a) y=-b/(2*a) print(x,y) else: print("roots are imaginary")