Odpowiedź:
a) (t+1)(t^2+2t+3)=t^3+2t^2+3t+t^2+2t+3=
=t^3+3t^2+5t+3
b) (p-2)(3p^2-5p+1)=3p^3-5p^2+p-6p^2+10p-2=
=3p^3-11p^2+11p-2
c) (2m-1)(-2m^2+3m-5)=
=-4m^3+6m^2-10m+2m^2-3m+5=
=-4m^3+8m^2-13m+5
d) (4-5w)(3w^2-w-2)=
=12w^2-4w-8-15w^3+5w^2+10w=
=-15w^3+17w^2+6w-8
Szczegółowe wyjaśnienie:
^ do potęgi