Post date: Apr 12, 2016 1:46:57 PM
(3x-1)(5-3x)(6x+4)>0
(3x2-1)(5-3x)>0
(3x-1)2(5-3x)>0
|6x + 4| < 1
(6x + 4)2 < 1
|3x - 7| < 1
(3x -7)2 < 1
responsabile dei compiti: Palanca