You must take into consideration when picking unsubscribe, the only alternative offered in your Facebook profile is the disable account, something that ensures that everything is totally removed, so it may be that the images, remarks and private discussions are saved, although already not be accessible to them.
How To Delete Our Facebook Account
If you want to erase your single account you have to go to the following link and verify:
http://www.facebook.com/help/contact.php?show_form=delete_account
Note: Once confirm not be able to recuperate your data and whatever to do with the Bill, currently not you can use features it e-mail, which offered low, you would have used a new account hotmail, gmail, and so on.
Erase demand from sent by error
To erase a demand incorrectly sent out to a person (e.g. request for friendship) in the top menu go to "Setup", then "Privacy settings".
Then compose the full name of the individual in the field "Block person".
Then look it up and lock it. So not your friendship request, will be given that blocking someone gets rid of any relate to it. If you want this individual to find you or have contact with her, you return to the 'blocked list' and remove it by pushing Erase (however already not your application will appear to him because it was previously obstructed).
This does not work for sent out messages, since they are all kept in the Inbox of the person.
Thus the article How To Delete Our Facebook Account from us, hopefully useful thank you.