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)

Algebra ->  Real-numbers -> 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)      Log On


   



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) About Me  (Show Source):
You can put this solution on YOUR website!
Use the idea that sqrt%28x%5E2%29+=+abs%28x%29 to get


sqrt%28%28a%2B3%29%5E2%29=abs%28a%2B3%29


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Jim