Respostas

2013-11-12T22:25:21-02:00
delta = 49 - 24 = 25
raiz(delta) = 5

x1 = (7 + 5) / 2 = 12/2 = 6
x2 = (7 - 5) / 2 = 2/2 = 1

1 e 6 
1 1 1