Respostas

2014-07-24T22:05:01-03:00
-3x-4x+4-1
-7x+3 
agora se for pra resolver fica
-3x-4x+4-1=0
-7x+3=0
-7x=-3 .(-1)
7x=3
x=7/3
2014-07-24T22:08:34-03:00
-3x-4x+4-1=
-7x+3
resposta,-7x+3