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2014-10-08T22:35:53+03:00
(3x² +2√3x +1) + ( 5y²+ 2√5y +1)=0
(3x+1)^2 + (5y+1)^2 =0
3x+1=0, x= -1/3
5y+1=0, y= -1/5
2 5 2