Y add 7.1000000000000005 add mul -0.502 inv add -8.91 mul -8.61 div pow2 add -44.0 mul 0.146 x_0 pow3 add -56.800000000000004 mul -0.47000000000000003 mul x_1 x_0 mul 0.996 pow3 add -2.96 mul -4.1000000000000005 x_1