Question

Find all the zeros of each polynomial function.

f(x) = x^4 + 5x^3 + 5x^2 – 5x – 6
Select one:
a. ±3 and ±1
b. ±3, 2, ±1
c. 3, ±1, –2
d. none of the above

Answer 1

nvm

Answer 2

i thought it is a i didnt think it was d

Answer 3

x^4 + 5x^3 + 5x^2 – 5x – 6
-----------------------
(x-1)(x+1)


just this

Answer 4

I can be D too

Answer 5

I should not have excluded it.