Respostas

2014-02-01T19:42:50-02:00
(x+1).(x²-x+1)
x³-x²+x+x²-x+1
x³+1


2014-02-01T22:39:16-02:00
(x+1).(x²-x+1)
faz  a distributiva
x³ -x²+x +x² -x +1      e faz as contas
x³ +1