SOLUTION: When {{{ y=(x+2)^2-4 }}} is the answer {{{ y=x^2 }}} ?

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Question 457839: When +y=%28x%2B2%29%5E2-4+ is the answer +y=x%5E2+ ?
Found 2 solutions by Earlsdon, stanbon:
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
No!
Here's why:
%28x%5E2%2B2%29%5E2-4+=+x%5E2%2B4x%2B4-4=x%5E2%2B4x%3C%3Ex%5E2

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Answer to what question?