SOLUTION: Please help! Simplify by rationalizing the denominator. {{{ y/(sqrt(7)+sqrt(3)) }}}

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Question 625890: Please help! Simplify by rationalizing the denominator.
+y%2F%28sqrt%287%29%2Bsqrt%283%29%29+
Found 2 solutions by Alan3354, lwsshak3:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Please help! Simplify by rationalizing the denominator.
+y%2F%28sqrt%287%29%2Bsqrt%283%29%29+
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Multiply the NUM and DEN by the conjugate of the DEN,
%28sqrt%287%29-sqrt%283%29%29+

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
+y%2F%28sqrt%287%29%2Bsqrt%283%29%29+
y/(√7+√3)
multiply top and bottom by √7-√3 ( conjugate of the denominator)
y(√7-√3)/(√7+√3)(√7-√3)
y(√7-√3)/(7-3)
y(√7-√3)/4