Y add 0.41200000000000003 div pow3 add -6.11 mul -0.289 x_0 add mul 0.062 x_3 mul 8.620000000000001 div add add mul -38.800000000000004 x_4 mul -5.84 pow2 add -0.905 mul -39.1 x_7 add mul -16.1 exp sub mul -0.674 x_8 add mul -89.4 x_2 mul 6.23 x_5 mul -7.68 abs add -0.341 mul -53.800000000000004 x_1 x_6