User talk:173.33.28.41

January 2011
Welcome to Wikipedia. The recent edit you made to Completing the square has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Orphan Wiki 22:23, 18 January 2011 (UTC)