what will make 9x2- ......... +25y2 a perfect square trinomial?
L lfalgoust02 New member Joined Jul 18, 2005 Messages 23 Jul 18, 2005 #1 what will make 9x2- ......... +25y2 a perfect square trinomial?
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,339 Jul 18, 2005 #2 30xy Maybe this is a take-home test. Are you SURE you're getting the right answers from me?
