$\"\"$

The given expression is $\"\"$ .

The terms are $\"\"$ .

To find the each term degree.

First term $\"\"$ degree is 0, Second term $\"\"$ degree is 5, Third term $\"\"$ degree is 7 and fourth term $\"\"$ degree is 6.

The degree of polynomial is 7. $\"\"$

The degree of polynomial is 7.