ANSWER
Another name for the polynomial based on the number of terms is

Step-by-step explanation
A simplified polynomial with only one term is called a monomial.
A simplified polynomial that has two terms is called a binomial.
A simplified polynomial that has three terms is called a trinomial.
A simplified polynomial that has four or more terms is just referred to as polynomial.
The polynomial given to us is

This polynomial is in its simplified form and it has three terms. Therefore it is a trinomial.