#! /usr/bin/env python
# -*-  coding: utf-8 -*-

import cmath

print("Programm zur Lösung einer quadratischer Gleichung ax^2 + bx + c = 0")
a = float(input("a = "))
b = float(input("b = "))
c = float(input("c = "))

determinant = b**2 - 4*a*c
d = cmath.sqrt(determinant)
x1 = (-b - d) / (2*a)
x2 = (-b + d) / (2*a)
print(f"Gleichung: {a}x^2 + {b}x + {c} = 0")
print(f"x1 = {x1}")
print(f"x2 = {x2}")