Answer:

trinomial

Step-by-step explanation:

because this equation

have three digit

1st digit is 2x

2nd is 3y

and 3rd is 9

so it is a trinomial

hope you understood

Verified answer

Answer:

Trinomial is the answer.

Step-by-step explanation:

An algebraic expression which has exactly 3 terms is called a trinomial.

hope it help you