Y add -4.93 mul abs add -1.86 mul -9.39 x_2 mul sub sub sub mul -2.66 x_4 mul -0.197 x_1 mul -0.085 x_0 mul -0.41000000000000003 pow2 add 0.673 mul -0.5700000000000001 x_8 mul x_7 sub mul -3.7800000000000002 inv add -0.647 mul -4.73 x_1 add sub mul -0.753 x_5 sub mul -0.903 x_5 mul 6.69 x_6 mul 0.86 tan add 0.09 mul -0.378 x_3