Y add -0.058 div mul inv add 0.907 mul -0.906 x_4 add mul -7.5600000000000005 inv add 3.99 mul 0.5700000000000001 x_3 sub mul 0.976 pow2 add -65.7 mul 0.327 x_2 sub mul 7.29 x_0 mul -98.9 pow3 add -0.389 mul 0.305 x_4 x_1