Y add -5.3500000000000005 div mul exp add 0.231 mul 10.700000000000001 x_0 add mul -14.4 x_1 sub mul -70.4 pow3 add -1.72 mul -0.49 x_0 add mul 5.68 exp add -35.800000000000004 mul 19.1 div x_2 x_2 mul 0.989 x_2 pow3 add -0.864 mul 0.41000000000000003 x_3