(x^3 - 2x^2+x) : (x^3 - 6x + 8) <= 0 *<= kurang dari sama dengan

(x³ - 2x² + x) / (x² - 6x + 8) ≤ 0
x(x - 1)(x - 1) / (x - 4)(x - 2) ≤ 0
- - - - - + + + + + + + + - - - - - + + +
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````````` 0 ```````` 1 ````````` 2 ``````` 4
x ≤ 0 atau 2 < x < 4