Y add -8.5 add mul -0.993 x_3 add add mul -0.13 mul inv add -0.678 mul -2.08 mul x_3 pow2 add -0.08700000000000001 mul 3.81 x_3 add mul -17.0 exp sub mul -1.51 x_5 mul -8.200000000000001 x_2 mul -1.1500000000000001 x_1 mul -5.7700000000000005 inv add 8.4 mul -9.69 mul div x_1 x_0 x_0 mul 0.969 x_4