![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6d6518ad8f1928992f7e034795681127.png\")
.
The expression is polynomial because each term is monomial. \ \
\The degree of the first term is 2, degree of the second term is 1+3 or 4 and degree of the third term is 1.
\Thus, the degree of the polynomial is 4.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Degree of the polynomial is 4.