If $\frac{\sqrt{5+x}+\sqrt{5-x}}{\sqrt{5+x}-\sqrt{5-x}}$ = 3. , then what is the value of x ?

If $\frac{\sqrt{5+x}+\sqrt{5-x}}{\sqrt{5+x}-\sqrt{5-x}}$ = 3. , then what is the value of x ?
1). $\frac{5}{2}$
2). $\frac{25}{3}$
3). 4
4). 3

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