Y add 6.6000000000000005 mul add mul 20.700000000000003 mul x_1 sub sub mul 0.615 x_2 mul -0.45 mul x_0 pow2 add -90.10000000000001 mul -71.60000000000001 x_1 mul 89.80000000000001 pow2 add 0.34800000000000003 mul -0.069 x_3 mul -8.27 pow2 add 3.65 mul 20.3 x_4 x_0