SOLUTION: √63 + √7 + √64 = ? The correct answer is 4√7 + 8, but I can't figure out how to get it. Thanks

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Question 559492: √63 + √7 + √64 = ?
The correct answer is 4√7 + 8, but I can't figure out how to get it.
Thanks

Found 2 solutions by Earlsdon, richard1234:
Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Simplify:

=
or so...
= or

Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!