Which binomial is a factor of f(x) = x4 - 27x2 -14x + 120?

(x-4)
(x-2)
(x + 5)
(x + 6)

2 answers

From all the other answers I have given you ...
What do you think you should try ?
Factor x3 4x2 3x + 18 = 0, given that 3 is a zero.

Option A: (x + 2)(x 3)2 = 0

Option B: (x 2)(x 3)2 = 0

Option C: (x 2)(x 3)(x + 3) = 0

Option D: