User talk:89.154.51.249
January 2021
[edit]
Hello, I'm DVdm. I noticed that you made a comment on the page Talk:Completing the square that didn't seem very civil, so it may have been removed. Wikipedia is built on collaboration, so it's one of our core principles to interact with one another in a polite and respectful manner. If you have any questions, you can leave me a message on my talk page. Thank you. - DVdm (talk) 12:59, 28 January 2021 (UTC)
Please do not add or change content, as you did at Completing the square, without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you. - DVdm (talk) 16:36, 28 January 2021 (UTC)
Note re this: please do not change your own talk page comments to which an answer was already given—see wp:REDACT. And please do sign all your talk pages as you were asked here—see wp:SIGNATURE. Thank you. - DVdm (talk) 17:51, 29 January 2021 (UTC)
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