Respostas

2014-07-11T12:36:39-03:00
Olá,
(x+7).(x+5)
(x.x) + (x.5) +(7.x) + (7.5)
x² + 5x + 7x + 35
x² 12x + 35

Abraços.
2 3 2
  • Usuário do Brainly
2014-07-11T12:37:17-03:00
(x.7).(x+5)
7x.5x
=35x
Resposta : 35x