Y add 0.069 mul x_4 sub add mul -87.9 mul x_3 add mul 67.8 mul x_1 inv add -0.398 mul 4.36 div x_1 pow2 add -5.57 mul 80.9 x_1 mul 4.55 pow2 add -60.6 mul -34.300000000000004 x_0 mul 97.10000000000001 x_2 mul 0.749 x_2