SOLUTION: I am not understanding some of the answers I am getting. Please clarify for the following: Find the following. Assume that variables can represent any real number. sqrt(a+3)

Question 540221: I am not understanding some of the answers I am getting. Please clarify for the following:

Find the following. Assume that variables can represent any real number.
sqrt(a+3)^2 the answer I got was a+3.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Use the idea that to get

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Jim
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