import cmath

a = float("1")
b = float("5")
c = float("6")

# calculate the discriminant
d = (b**2) - (4*a*c)

# find two solutions
sol1 = (-b-cmath.sqrt(d))/(2*a)
sol2 = (-b+cmath.sqrt(d))/(2*a)

print('The solution are {0} and {1}'.format(sol1,sol2))
Вывод результата:
The solution are (-3, 0) and (-2, 0)


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