Respostas

2013-10-13T20:01:53-03:00
-X^2 +16X +1250
DEL =16^2 -4(-1).1250
DEL= 256 +5000
DEL 5256
X= -16 +OU - V 2256/2
X= -16+ 6V156/2
X=-16 - 6V156/2