1)-4(y-i)*(y+5)= 2)8p-(3p+8)*(2p-5)=
-4*(у^2+5y-iy-5) 4y^2-20y-4iy-20 8p - (6p^2 - 15p + 16p-40) = 8p - 6p^2 + 15p - 16 p + 40 =7p - 6p^2 + 40 = -6p^2 - 7p + 40