-6x² +5x-1≤ 0
6x² -5x+1≥ 0
6x² -2x-3x+1≥ 0
2x(3x -1)-(3x-1)≥ 0
(3x -1)(2x-1)≥ 0
3x -1≥ 0 3x≥1 x≥1/3
2x -1≥ 0 2x≥1 x≥1/2
1/3 1/2
3x-1 - - - - - 0 + + + + + + + + + + +
2x-1 - - - - - - - - - - - 0 + + +.
(3x -1)(2x-1) + + + +0 - - - - - - - - - -0 + + +
x∈(-∞,1/3]∪[1/2,+∞)
