1446.
a) =(x²-y²)(a³+3a²+3a+1)=(x-y)(x+y)(a+1)³
б)=(a² -b²)(p³-3p²+3p-1)=(a-b)(a+b)(p-1)³
в) =x³(m+n-k)-3x²(m+n-k)+3x(m+n-k)-(m+n-k)=(m+n-k)(x³-3x²+3x-1)=
=(m+n-k)(x-1)³
г)=(a² +b²)(8x³+36x²y+54xy²+27y³)=(a²+b²)(2x+3y)³
д)=(49a²-14a+1)(125+75p+15p²+p³)=(7a-1)²(5+p)³