Question

Which binomial is a factor of f(x) = x4 + 7x3 – 7x2 – 43x + 42?

(x+2)
(x-3)
(x-1)
(x-7)

Answer 1

The correct answer for this question is this one: (x-7). You can check it by substituting the value of x.
Among the following choices:
(x+2)
(x-3)
(x-1)
(x-7)

(x-7)Hope this helps answer your question and have a nice day ahead.