Y add -2.8000000000000003 div sub mul -50.800000000000004 mul pow2 add 6.1000000000000005 mul -5.300000000000001 div x_2 x_1 inv add 81.10000000000001 mul 6.94 div x_0 x_1 mul -97.0 x_2 sub mul 0.199 x_3 mul -0.373 exp add 0.6 mul 6.23 x_0