SOLUTION: I am having trouble with this radical expression: (√5)/(4√5+2)

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Question 761881: I am having trouble with this radical expression:
(√5)/(4√5+2)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%285%29%2F%284sqrt%285%29+%2B+2%29
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You didn't say what you want to do.
You can get the radicals out of the denominator, that's a popular thing.
Multiply NUM & DEN by the conjugate of the DEN, 4sqrt(5) - 2
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= %284%2A5+-+2sqrt%285%29%29%2F%2880+-+4%29
= %2820+-+2sqrt%285%29%29%2F76
= %2810+-+sqrt%285%29%29%2F38