Y add -0.07100000000000001 div inv add 31.5 mul 2.77 x_5 mul div sub mul -6.66 x_0 mul -60.400000000000006 mul x_1 add mul 0.67 x_6 mul -90.10000000000001 div pow2 add 0.836 mul 5.2700000000000005 x_2 x_3 x_4 x_1