Respostas

2014-08-14T16:07:19-03:00
3x²=0
a=3, b=0, c=0
Δ=b²-4.a.c
Δ=0-4.3.0
Δ=0
-------
x=-
b±√Δ/2.a
x=-0±√0/6
x1=0 
x2=0
S={0}


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