Answers

2014-07-20T18:22:58+08:00
441x^8-273x^4y^6-273x^4y^6+169y^12=441x^8-546x^4y^6+169y^12 is the answer if it is -y^6(if and only if there's typo error in your given)
414x^8-273x^4y^6-273x^4y^3+169y^9 is my answer kung ganun pa rin po yung kanina na ibinigay niyo po.
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okay po :)
Nextime pag my question ikaw ssagot aa :) :D
Hahaha let's just see XD
ah
Ahahaha :D sge po galingan mo dapat :P