The given expression is .
The expression 56 is a nonzero constant.
The degree of a nonzero constant is 0.
So,the degree of 56 is 0.
The degree of 56 is 0.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=473413ea10e32c73b9e5d795a3beec69.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")