SOLUTION: Please help, Thanks Which two expressions are equivalent? Radical Sign -49, -7, -radical sign 49?

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Question 124579: Please help,
Thanks
Which two expressions are equivalent?
Radical Sign -49, -7, -radical sign 49?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
-7 & -(sqrt49)=-7 are the same.