SOLUTION: Simplify 2 times the square root of 10/7 - 3 time the square root of 7/10 - 3 times the square root of 630

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Question 65535This question is from textbook An Incremental Development
: Simplify
2 times the square root of 10/7 - 3 time the square root of 7/10 - 3 times the square root of 630
 This question is from textbook An Incremental Development

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2 times the square root of 10/7 - 3 time the square root of 7/10 - 3 times the square root of 630
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[2sqrt(10)/sqrt(7)] - [3sqrt7/sqrt10] - 3[3sqrt70]
=[(2/7)sqrt70] - [(3/10)sqrt70] - [9sqrt70]
=[2/7 - 3/10 -9] sqrt70
=(-631/70}sqrt70
Cheers,
Stan H.