Y add 84.5 div sub mul 0.452 x_6 mul 4.61 x_1 add mul 0.35100000000000003 x_3 sub sub add add mul -0.805 x_3 add mul -0.849 x_2 mul -0.161 mul pow2 add mul -0.11800000000000001 x_3 mul -0.795 x_1 mul x_8 x_0 add mul -2.0300000000000002 x_5 mul -0.596 x_5 mul 46.7 x_7 mul 0.672 x_4