SOLUTION:

Question 88845:
Answer by malakumar_kos@yahoo.com(315) (Show Source): You can put this solution on YOUR website!
which of the following is a factor of the polynomial x square - x - 20?
Expression is x^2-x-20
x^2-5x+4x-20
x(x-5)+4(x-5)
(x-5)(x+4) The factor is +5 or -4