pake cara ya ka, buat nanti soalnya, makasi

[tex] \frac{ {2x}^{2} - x}{3} \times \frac{6}{2x - 1} = \frac{ {12x}^{2} - 6x}{6x - 3} = \frac{6x(2x - 1)}{3(2x - 1)} = \frac{6x}{3} = 2x[/tex]
jawabannya b