Y add 0.5630000000000001 sub sub sub sub mul -7.12 x_4 mul -12.700000000000001 x_5 mul -31.400000000000002 x_5 mul 8.4 x_3 sub mul 0.873 mul x_2 x_1 mul -1.26 inv add -0.6930000000000001 mul -1.71 x_0