The expression x-3 is
because the remainder is
of two factors is
a factor
not a factor
of P(x)=x²-x2-2x-12
negative.
positive. P(x) written as a product
zero.
(x-3)(x2 - 2x+4).
(x-3)(x²+2x+4).
(x-3)(x2-2x-4),
not possible.