#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Mon Jan 29 09:44:51 2018

@author: ilya
"""

import numpy as np

a = 1.0
b = 2.0
c = -2.0

sD = np.sqrt(b**2-4*a*c)
x1 = (-b+sD)/(2*a)
x2 = (-b-sD)/(2*a)

print(x1)
print(x2)