Y add 5.29 add add mul 2.33 x_0 add mul 1.4000000000000001 x_6 sub mul -3.66 x_7 add mul 0.723 x_3 mul -45.5 div mul sub mul -30.400000000000002 x_4 mul -0.41300000000000003 x_8 sub mul 0.085 x_1 mul -0.849 x_5 x_5 mul -0.025 exp add 0.461 mul 7.66 x_2