# Find the numerical value.

Algebra Level 4

Let $$a, b,$$ and $$c$$ be the roots of $$x^{3}-4x-8=0$$. Find the numerical value of the expression $$\frac{a+2}{a-2}+\frac{b+2}{b-2}+\frac{c+2}{c-2}$$.

$$PMO2014$$

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