SOLUTION: 5 - sqrt{175} ___________ ______ 10

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Question 442442: 5 - sqrt{175}
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10
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
Recognize that 175 in its prime decomposition is 5 * 5 * 7 OR 5^2 * 7.
so we can break the sqrt(175) into sqrt(5^2) * sqrt(7).
This simplifies to 5sqrt(7)
So our answer is just 5-5sqrt%287%29