What is the answer of these two equations ? I used the sympy to solve these equations.

eq1 = 20*x*y-10*x-4*x**3
eq2 = 10*x**2-8*y-8*y**3
solve([eq1, eq2], [x, y])


(0, 0),(0, −𝑖),(0, 𝑖)

But the answer of book (Calculus 6th, James Stewart)is (0,0), (+-2.64, 1.90), (+-0.80, 0.65)

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