1)
(a+2)(a²-2a+4)=a³-2³=a³-8
2)
(3+m)(9-3m+m²=3³+m³=27+m³
5)
(1+a³)(1-a³+a^6=1³+a³=1+a³
8)
(64+8z³+z^6)(8-z³)=8³-z³=512-z³
1)
(a+2)(a²-2a+4)=a³-2³=a³-8
2)
(3+m)(9-3m+m²=3³+m³=27+m³
5)
(1+a³)(1-a³+a^6=1³+a³=1+a³
8)
(64+8z³+z^6)(8-z³)=8³-z³=512-z³