Y add -12.700000000000001 div x_6 sub mul 0.6900000000000001 x_8 add mul -0.20500000000000002 mul x_4 inv sub mul 42.1 mul x_0 x_3 mul 9.31 pow2 add 30.0 mul 1.34 x_2 add mul -0.307 inv add mul -4.5200000000000005 div x_5 x_7 mul -3.29 x_3 mul 0.085 x_1