Answer:
7x
On my opinion may be its 7x because don't know whats the answer just i want to help you if its wrong then plz sorry
Answer:that would be 18
Step-by-step explanation:
Answer:
I think it might be A if not then its be
Step-by-step explanation:
sorry if its not right
If a binomial

is a factor of a polynomial, then

is a root of this polynomial.