# File: quad.py
# Compute the roots of a quadratic equation (user enters coefficients)
# WARNING: the discriminant better be non-negative and the user better
# enter real numbers!!!!!
# See quad-c.py for how to do it right
#
# Matt Bishop, MHI 289I, Fall 2022
#
import math             # load up the math functions

#
# compute the discriminant
# parameters: a, b, c: coefficients
# returns: b^2 -4ac
#
def discrim(a, b, c):
	return b * b - 4 * a * c

#
# the main routine
#
def main():
	# read in the coefficients
        a = float(input("Enter x2 coefficient: "))
        b = float(input("Enter x coefficient: "))
        c = float(input("Enter 1 coefficient: "))

	# get the discriminant
        d = discrim(a, b, c)

        # get the first root
        r1 = (-b + math.sqrt(d)) / (2*a)
        # get the second root
        r2 = (-b - math.sqrt(d)) / (2*a)
		
	# print them out
        print("The roots are", r1, "and", r2)

# go!
main()