SOLUTION: Simplify sqrt (20)/5 - 1/ sqrt (5) Thank You!!

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Question 46667: Simplify
sqrt (20)/5 - 1/ sqrt (5)

Thank You!!
Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
sqrt(20)/5 - 1/sqrt(5)
sqrt(2*2*5)/5 - sqrt(5)/5
2*sqrt(5)/5 - sqrt(5)/5
sqrt(5)/5
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