Y add -83.2 div div div mul pow2 sub mul -67.60000000000001 x_0 mul 0.924 x_6 x_5 add mul 39.400000000000006 x_3 mul 0.705 inv add 0.554 mul 44.1 x_7 x_2 add add mul 6.18 x_1 mul -0.17 x_5 mul 75.10000000000001 inv sub mul -30.700000000000003 x_4 mul -9.61 x_8