No.
The given expression involves the addition of variables but not the product variables.
So, is not a monomial.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e080b325bfd548049141b3e9a25ad233.png\")
involves the addition of variables but not the product variables.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e080b325bfd548049141b3e9a25ad233.png\")
is not a monomial.