Respostas

2014-04-19T14:13:04-03:00
4x² + 4x + 1 + 9x² + 6x + 1
13x² + 10x + 2
4 4 4
2014-04-19T14:44:52-03:00
(2x + 1)² + (3x + 1)² =
(4x + 1) + (9x + 1) =
36x² + 4x + 9x + 1 =
36x² + 13x + 1
2 2 2