Mul 1.25997123662859 Mul -1 Pow 4 Pow 1.60943791243410 x0 
Mul 1.25997123662859 Mul -1 Mul Pow 4 Add Pow 1.60943791243410 x0 -1 Mul 5.38629436111989 Mul Pow 1.60943791243410 Add x0 -1 2.08532290776121 