Question 84791
A polynomial is X<sup>a</sup> so long as a>1

So X<sup>2</sup> is a polynomial of the <b>second</b> degree, X<sup>3</sup> of the third degree, and so on.

X<sup>12</sup>-5X<sup>4</sup> is a 12<sup>th</sup> degree polynomial (The highest polynomial counts)