by the factor theorem, what can be said about the polynomial function f(x) if f(-1)=0?

By the Factor Theorem, what can be said about the polynomial function f(2) if f (-1) = 0? O f (x) has 1 real zeros O z | 1 is a factor of f () O f (x) has no real zeros O - 1 is a factor of f (z) Ne