SOLUTION: Help! What is sqrt. of 63 � 2sqrt. of 28 + 5sqrt. of 7 ? Thanks!!

SOLUTION: Help! What is sqrt. of 63 � 2sqrt. of 28 + 5sqrt. of 7 ? Thanks!!

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Question 85297: Help!
What is sqrt. of 63 � 2sqrt. of 28 + 5sqrt. of 7 ?
Thanks!!
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
SQRT63-2SQRT28+5SQRT7
SQRT9*7-2SQRT4*7+5SQRT7
3SQRT7-4SQRT7+5SQRT7
4SQRT7 ANSWER.
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