SOLUTION: I don't understand how to solve and check and to rewrite the equation to isolate the radical {{{sqrt(x+2)-2 =0}}}

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Question 856111: I don't understand how to solve and check and to rewrite the equation to isolate the radical
sqrt%28x%2B2%29-2+=0

Found 2 solutions by Fombitz, Edwin McCravy:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by Edwin McCravy(20064) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28x%2B2%29-2+=0 

Isolate the radical means to get it by itself on one side.
To get rid of the -2, we add +2 to both sides:

sqrt%28x%2B2%29=2

Square both sides:

%28sqrt%28x%2B2%29%29%5E2=%282%29%5E2

x%2B2=4

x=2

Check:

sqrt%28x%2B2%29=2

sqrt%284%29=2

2=2

Edwin