Y add 5.71 sub mul 8.870000000000001 x_1 sub add mul -0.799 pow3 sub mul 1.8900000000000001 x_3 sub mul 21.900000000000002 x_0 mul -0.73 x_5 mul 0.01 x_6 sub mul -0.896 mul x_2 x_7 add add sub mul -73.9 x_2 mul 89.7 x_2 mul -0.083 x_3 mul -0.261 mul x_4 x_6