$\"\"$

The expression is $\"\"$ .

The degree of a polynomial is the value of the greatest exponent.

Here the greatest exponent is $\"\"$ .

So, the degree of the polynomial is $\"\"$ .

The leading coefficient is the coefficient of the term with greatest exponent.

So, the leading coefficient is $\"\"$ .

$\"\"$

The degree of the polynomial is $\"\"$ and leading coefficient is $\"\"$ .