How do you do this SAT question For polynomial p(x) the value of p(3) is -2. which of the following must be true about p(x)?

A) x-5 is a factor of p(x)

B) x-2 is a factor of p(x)

C) x+2 is a factor of p(x)

D) The remainder when p(x) is divided by x-3 is -2

I need help solving this question because I didn't really get the answer explanation that college board gave it. Thanks in advance!