Y add 0.061 sub mul -2.72 pow2 add -17.6 mul -0.18 x_0 sub mul -5.23 x_2 sub add sub mul -0.928 x_4 sub mul 0.9570000000000001 x_8 add mul 0.9400000000000001 x_3 mul 4.16 x_7 add mul 0.646 pow2 add -0.9550000000000001 mul 0.491 x_5 mul 0.923 mul pow3 add 0.482 mul 5.98 x_6 sub mul -0.226 x_7 mul 0.93 x_8 mul -10.9 x_1