rationalise the denominator 6/root 5 + root 2

The answer is : 2 root 5 - 2 root 2
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6*root10/10
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Question not clear
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2 root 5 + 2 root 2
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i need the steps also 
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2 root 5-2 root 2
 
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2root5 - 2root2
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6 / root(5) + root(2)  x  root(5) - root(2)
= 6 ( root(5) - root(2) ) / root(5)2 - root(2)2
= 6 root(5) - 6 root(2) / 5 - 2
= 6 root(5) - 6 root(2) / 3
 
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