P(x)=x²+x-2 Q(x)=-x²-x P(x).Q(x)=?
cevap : -xüssü4-2xküp+xkare+2x
(x²+x-2).(-x²-x)
=-x⁴-x³-x³-x²+2x²x2x
=-x⁴-2x³+x²+2x