Notice that any pair that works also has a symmetric solution since the y^2 term is always positive.
Barring complex solutions which may or may not exist, the only pair I can see is (x,y) = (12,36) and (12,-36).
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
Solution
