In SharePoint 2010, if you want to hide the recycle bin and quick launch bar which appears by default , Add the following html script in the content editor web part.
1.Edit the Page
2. Inert the Content editor webpart
3. Place the script below
<style type="text/css">
.ms-quicklaunchheader{
display:none;}
.ms-recyclebin{
display:none;}
</style>
4. Check In the page and Publish