Respostas

2013-10-13T12:13:48-03:00
É a letra d pois:   (x3-7(x)2-34(x)+40)/(x+4)  
  ((2010)3-7(2-2010)2-34(2010)+40)/(2010+4)  
((8120601000)-7(4040100)-68340)+40)/(2014)
  (8120601000-28280700-68340+40)/(2014)  
8092252000/2014
4018000