Answer:
72y
Explanation:
Perfect square monomials are in the form:

They factor as:

To find the middle term of this polynomial, first factor 16 out of the expression.

We know that the middle term will be in the form
, and the last term will be in the form
. Using this information, we can solve for b.



Then, we can substitute that into the term
.

Finally, distribute the 16 and then take the middle term as the answer.

72y