Y add 3.04 div mul add mul -0.644 pow2 add -83.80000000000001 mul -4.6000000000000005 x_1 add mul 0.163 x_0 mul 39.2 x_7 mul x_4 add add mul -0.876 x_3 add mul 36.800000000000004 x_3 mul 5.67 x_5 mul -5.38 x_8 sub mul 0.904 abs add 0.502 mul 2.6 x_6 mul 0.922 x_2