Выполните умножение: \(\dfrac{3}{x^2-2x} \cdot \dfrac{2x-4}{x}.\)

• \(\dfrac{6}{x^2}\)
• \(-\dfrac{12}{x^3}\)
• \(\dfrac{12}{x^3}\)
• \(\dfrac{6x-12}{x^3-2x^2}\)