Respostas

2014-06-14T15:17:19-03:00
X²-2x=0
x( x - 2) = 0
x = 0
x = 2
1 5 1
2014-06-14T21:14:27-03:00
x² -2x=0
x (x -2)=0
x'=0
x-2=0
x=2
x"=2

S={0 ; 2}