Find the range of values of $x$ such that $\dfrac{(x-3)(x-4)}{(x+1)(x+2)}>0$

Find the range of values of $x$ such that $\dfrac{(x-3)(x-4)}{(x+1)(x+2)}>0$

A. $x > 4$
B. $(-1 ,4)$
C. $(-2, -1) \cup (3,4)$
D. $(-1,3) \cup (4, +\infty)$
E. $(-\infty, -2) \cup (-1, 3) \cup (4, +\infty)$

Answer: E

Source: e-GMAT

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