Question

1)(2а+4)^2(2а-4)=
2)(с-3m)^2(3m+c)^2=
3)(a+2b)^2(2a-b)^2=
4)(a+c-5)(a-c+5)=
5)(X-a+8)(X+a-8)=

Answer 1

1) (2а + 4) ( 4а^2-16)=8а^3-32а+16а^2-64
2) (с-3m)^2(3m+c)^2=c^4-18c^2m^2+81m^4