(6-n)^2-(n+6)^2
(2p-q)^2-(q+2p)^2
4y^2 - (y+3)^2
решите плиз

1)36-12n+n^2-(n^2+12n+36)=36-12n+n^2-n^2-12n-36=-24 2)4p^2-4pq+q^2-(q^2+4pq+4p^2)=-8pq 3)4y^2-(y^2+6y+9)=3y^2-6y-9