<reponame>amiraliakbari/sharif-mabani-python
a = 2
b = -7
c = 6

delta = b**2 - 4*a*c

x1 = (-b + delta**0.5) / (2*a)
x2 = (-b - delta**0.5) / (2*a)

print x1, x2

a = 2
b = -7
c = 6

delta = b**2 - 4*a*c

x1 = (-b + delta**0.5) / (2*a)
x2 = (-b - delta**0.5) / (2*a)

print x1, x2