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Solving a Radical Equation

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What is the solution to the equation 2x2+3x+5−x2=3\sqrt{2x^2+3x+5} - \frac{x}{2} = 3?

A

x=47x = \frac{4}{\sqrt{7}}

B

x=−47x = -\frac{4}{\sqrt{7}}

C

x=0x = 0

D

x=±47x = \pm \frac{4}{\sqrt{7}}

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