-- coding: utf-8 --

import math

def quadratic(a, b, c):

sq = pow(b, 2) - (4 * a * c)
if sq < 0:
    return False

x1 = (-b + math.sqrt(sq)) / (2 * a)
x2 = (-b - math.sqrt(sq)) / (2 * a)

return x1, x2