User contributions
- 09:11, 25 February 2007 (diff | hist) . . (0) . . m Completing the square
- 06:53, 19 June 2006 (diff | hist) . . (+1) . . m IMO
- 06:43, 19 June 2006 (diff | hist) . . (0) . . m Factoring (spelling)
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