Post date: Apr 04, 2016 2:13:31 PM
3x2 - 2x -8 < 0
3x2 + 2x -8 < 0
x2/9 + 2x/3 +1 ≥ 0
x2/9 - 2x/3 +1 < 0
9x2 - 24 x +16 > 0
9x2 + 24 x +16 ≥ 0
x4 > (x2-x+1/2)(x2+x-1/2)