Can anyone factorize this for me: $\displaystyle x^4+y^2+z^2-2x^2y^2-2y^2z^2-2z^2x^2$. Or just show me some hints on how to do this. Thank you.
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Deleted by computation mistake.
Last edited by FernandoRevilla; Mar 3rd 2011 at 06:17 PM.
Someone, please delete this thread if you can. I've posted a wrong problem and I can't seem to edit it.
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