[tex]2x^{2}-x < 0\\\\x(2x-1) < 0\\\\Miejsca \ zerowe:\\x = 0 \ \vee \ 2x-1 = 0\\\\x = 0 \ \vee \ x = \frac{1}{2}\\\\a > 0, \ ramiona \ paraboli \ skierowane \ do \ gory\\\\x \in(0;\frac{1}{2})[/tex]
