#### Answer

$x^4-x^3+x$
degree = 4
number of terms = 3
The polynomial is a quartic trinomial.

#### Work Step by Step

RECALL:
A polynomial is written in standard form if its terms are written in descending degree.
Thus, the standard form of the given polynomial is:
$x^4-x^3+x$.
This polynomial has degree 4 and has three terms. It is a quartic trinomial..