Y add -26.400000000000002 div sub mul -0.179 x_1 mul 8.200000000000001 div sub mul 4.0 exp add mul -0.048 pow3 add -0.79 mul -3.22 x_1 mul -0.376 inv add -6.04 mul -56.1 x_2 mul -0.841 x_2 mul x_2 x_0 x_0