SOLUTION: whats x2+4x+4=0

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Question 214672: whats x2+4x+4=0
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve:
x%5E2%2B4x%2B4+=+0 Factor the trinomial.
%28x%2B2%29%28x%2B2%29+=+0
x%2B2+=+0 or x%2B2+=+0 so...
x+=+-2 or x+=+-2
This is called a "double root"
graph%28400%2C400%2C-5%2C5%2C-5%2C5%2Cx%5E2%2B4x%2B4%29