1 / / 4 3

{ x = - --------------- \1600 RootOf\1600 _Z - 20000 _Z

\ 18 (32 xy - 65)

2 2

+ (93997 + 512 xy) _Z + (-191958 - 5776 xy) _Z + 576 xy + 141453

\ / 4 3 2

+ 11024 xy/^3 - 14800 RootOf\1600 _Z - 20000 _Z + (93997 + 512 xy) _Z

2 \ /

+ (-191958 - 5776 xy) _Z + 576 xy + 141453 + 11024 xy/^2 + 45897 RootOf\

4 3 2

1600 _Z - 20000 _Z + (93997 + 512 xy) _Z + (-191958 - 5776 xy) _Z

2 \ / 4 3

+ 576 xy + 141453 + 11024 xy/ + 512 RootOf\1600 _Z - 20000 _Z

2 2

+ (93997 + 512 xy) _Z + (-191958 - 5776 xy) _Z + 576 xy + 141453

\ \ / 4 3

+ 11024 xy/ xy - 2888 xy - 45279/, y = RootOf\1600 _Z - 20000 _Z

2 2

+ (93997 + 512 xy) _Z + (-191958 - 5776 xy) _Z + 576 xy + 141453

\\

+ 11024 xy/ }