Y add -9.67 add mul -1.73 mul sub mul 68.8 inv add -6.2 mul -0.9530000000000001 x_3 add mul 28.1 x_1 mul 6.0600000000000005 x_0 pow2 add 0.91 mul 0.51 div x_2 pow2 add -72.2 mul -5.96 x_4 mul 0.63 x_2