python中解方程

from sympy import *
import numpy as np
from numpy import linalg

# 方程中的符號
x = Symbol('x')
# 計算
result1 = solve(x**2 - 2*x - 2, x)
print("result1[0] = %s" %float(result1[0]))

result2 = solve((np.e)**((5-x)**2) - 8, x)
print("result2 = %s" %result2)