Y add -0.617 sub add mul -3.74 x_5 mul 0.9450000000000001 div pow3 add 0.303 mul -0.54 x_4 div x_5 sub mul 0.369 x_2 mul -5.68 x_1 mul -3.58 mul mul x_0 pow3 add -50.7 mul -0.25 x_3 pow2 add -0.837 mul 0.28 x_2