SOLUTION: Please help me simplify this: {{{9/(5-sqrt(7))}}}

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Question 82530: Please help me simplify this:
9%2F%285-sqrt%287%29%29

Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!

9%2F%285-sqrt%287%29%29 First, multiply the numerator and denominator by the denominator's conjugate %285%2Bsqrt%287%29%29. This will get rid of the radical in the denominator.
9%285%2Bsqrt%287%29%29%2F%2825-7%29 simplify
%2845%2B9sqrt%287%29%29%2F18 divide both numerator and denominator by 9
%285%2Bsqrt%287%29%29%2F2----------------answer
CK by using a calculator
Hope this helps----ptaylor