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Solving A Radical Equation

Mark

Find the value of x that satisfies the equation $\frac{2x}{\sqrt{x+5}} - \frac{x}{2\sqrt{x+5}} - \frac{3}{2} = 0$ .

A

$x = \frac{1+\sqrt{21}}{2}$

B

$x = \sqrt{\frac{1+\sqrt{21}}{2}}$

C

$x = \frac{\sqrt{21}-1}{2}$

D

$x = \frac{1-\sqrt{21}}{2}$

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