Respostas

2014-06-25T00:30:18-03:00
A melhor resposta!
2014-06-25T00:32:07-03:00
4x²-x+1=x+3x²
4x²-3x²-x-x+1=0
x²-2x+1=0
fatorando
(x-1).(x-1)

x=1
1 5 1