50 POINTS! PLEASE HELP!Which of the binomials below is a factor of this trinomial? x2 - 3x - 4A. x2 + 4B. x + 4C. x - 4D. x + 8

x² -3x - 4
x        -4
x         1 

(x-4) (x + 1)

your answer is C.x - 4

hope this helps