SOLUTION: simplify 4/1+square root of 5

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Question 1115092: simplify 4/1+square root of 5
Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
4%2F%281%2Bsqrt%285%29%29 Multiply both sides by 1-sqrt%285%29 to create a difference of squares* and you get
%281-sqrt%285%29%29%2F-4
%28sqrt%285%29-1%29%2F4
*Note: The difference of squares says that (a+b)(a-b)=a2-b2.