Y add -7.5200000000000005 mul sub add mul -0.434 x_7 mul 8.0 mul add mul -8.26 x_8 mul -33.800000000000004 x_2 add add mul 0.14 x_1 mul 8.36 x_1 mul -0.8260000000000001 x_0 mul -8.18 x_5 div mul add mul 0.662 div x_7 x_4 mul 4.3100000000000005 mul x_4 x_4 x_6 x_3