Question 47 Answer and Explanation _ACT December 2010 Form 62E Math Section

Question 47 Answer and Explanation _ACT December 2010 Form 62E Math Section

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47. For x ＞ 2, $\frac{{x}^{2}-x}{{x}^{2}-4}\div\frac{x-1}{{x}^{2}-x-2}=?$

A. $\frac{(x-2)(x+1)}{x-4}$

B. $\frac{x-4}{(x-2)(x+1)}$

C. $\frac{x(x+1)}{x+2}$

D. $\frac{x+2}{x(x+1)}$

E. $\frac{{x(x-1)}^{2}}{{(x-2)}^{2}(x+2)(x+1)}$

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation