Chap 2- Ex 4: find all the roots of ax2+bx+c=0

import math 

a=int(input("a="))
b=int(input("b="))
c=int(input("c="))

if a==0:
    # TODO: b=0 (c=0, c!=0)
    if b==0:
        if c!=0:
            print("FALSE")
        else:
            print("FALSE")
    
    else:
        x=-c/b
        print("the value of x is", x)
elif a!=0:
    denta= b*2-4*a*c
    if denta>0:
        x1 = (-b-math.sqrt(denta))/2/a 
        x2 = (-b+math.sqrt(denta))/2/a
        print("the values of x are", x1, "and", x2)
    elif denta<0:
        print("FALSE")
    else:
        x = -b/2/a
        print("the values of x is", x)