Respostas

2014-04-15T15:01:47-03:00
A resposta é simples, apenas distribua o expoente = wz²+3²
2014-04-15T15:04:07-03:00
(wz+3)+ (wz+3)=
2wz+3wz + 3wz+ 6=
8wz+6=
wz=6/8