# -*- coding: utf-8 -*-
"""
Created on Fri Jul 07 13:21:13 2017

@author: szh24
"""

import math
a = 7
b = 26
c = 3
q = math.sqrt(b*b - 4*a*c)
x1 = (-b + q)/(2*a)
x2 = (-b - q)/(2*a)
print( """
x1 = %g
x2 = %g
""" % (x1, x2))
