Respostas

2014-06-12T14:31:30-03:00
(3x + 2) (-3x + 4) ( x + 6) < 0
-9x²+12x-6x+8 ( x + 6 ) < 0
-9x³+12x²-6x²+8x-54x²+72x-36x+48<0
-9x³+6x²-28x+72x-54x²+48<0
-9x³-48x²+44x+48<0