\(\dfrac{{{x^3} - 5{x^2} + 4x}}{{{x^2} - 7x + 12}}\)
A.\(\dfrac{x\left ( x - 1 \right )}{x - 4}\)
B.\(\dfrac{x\left ( x + 1 \right )}{x - 4}\)
C.\(\dfrac{x\left ( x + 1 \right )}{x - 3}\)
D.\(\dfrac{x\left ( x - 1 \right )}{x - 3}\)

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