SOLUTION: Can you show me the sign and how to solver the equation by analysis into the sum of square?

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Question 550395: Can you show me the sign and how to solver the equation by analysis into the sum of square?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Can you show me the sign and how to solver the equation by analysis into the sum of square?
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I don't know what that means.