SOLUTION: I NEED HELP WITH THIS QUESTION? sqrt(x+4)=x+4

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Question 798172: I NEED HELP WITH THIS QUESTION?
sqrt(x+4)=x+4
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28x%2B4%29=x%2B4
%28x%2B4%29-sqrt%28x%2B4%29=0
sqrt%28x%2B4%29%28sqrt%28x%2B4%29-1%29=0
x=-4
or
sqrt%28x%2B4%29%5E2-1%5E2=0
x+4=1
x=-3
solution set: {-3, -4}