Y add 0.296 mul exp sub mul 8.31 x_2 mul 0.594 x_4 sub sub mul -9.950000000000001 x_1 mul -1.11 x_3 sub mul 0.16 div x_2 pow2 sub sub mul 0.452 x_0 mul 79.30000000000001 x_0 mul -0.895 x_3 mul -72.8 inv add 0.913 mul -65.10000000000001 x_4