two solutions:-32/9 and -128/9.
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no sir!
-15少-
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07/14/2011 postreply
11:29:04
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yes,b=2,OK,b=8,fof has 5,5+(-)3SQUAT3/2,3roots.not good.
-jinjing-
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07/14/2011 postreply
16:43:38