Answers

2014-07-21T21:31:44+05:30
9x^2+6x+1-25y^2
(3x)^2+2*3x*1+(1)^2-(5y)^2
(3x+1)^2-(5y)^2
{(3x+1)+5y}{(3x+1)-5y}
(3x+5y+1)(3x-5y+1)
0
2014-07-21T23:27:55+05:30
U can use compleating square methond in yhis
(3x)^2+2*3x*1+(1)^2-(5y)^2
(3x+1)^2-(5y)^2
(3x+5y+1)(3x-5y+1)
0