Answer:
18
Step-by-step explanation:
Answer: 21 . . . . . .
Credit to the person below-
<u>Answer:</u>
A. (x+5)
<u>Step-by-step explanation:</u>
We are given a quadratic expression
which we will factorize to see which of the given options is a binomial factor of it.
Finding the factors of 15 such that when added, they give a result of 8.

Therefore, we can see that
is that binomial factor that is present in the given options so option A. (x+5) is the correct answer.