Y add -0.589 mul x_8 div add mul -9.67 x_2 mul -0.595 div add mul 1.36 x_3 mul -7.82 mul x_1 mul x_6 div mul pow3 add -5.3100000000000005 mul 27.900000000000002 x_7 x_7 sub mul 68.3 x_5 mul 8.34 pow2 add 0.14200000000000002 mul -66.9 x_8 x_4 x_0