SOLUTION: what is the square root of 63 minus the square root of 7?

Question 840175: what is the square root of 63 minus the square root of 7?
Found 2 solutions by josh_jordan, ewatrrr:
Answer by josh_jordan(263) (Show Source): You can put this solution on YOUR website!
To find your answer, you need to see if any of the radicals can be simplified. If you look at the , you will notice that 9 x 7 = 63. Thus, can be reduced to . Since both radicals are equal, we can now subtract from :

=

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,

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