SOLUTION: x^2+4x+4=7 How do I solve this?

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Question 41229: x^2+4x+4=7
How do I solve this?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
A couple of ways...let me show you how to do it without using the quadratic formula...notice the left side is a perfect square...let's take advantage of that...we get
x^2 + 4x + 4 = 7
(x + 2)^2 = 7
x + 2 = ± sqrt(7)
x = -2 ± sqrt(7)
and we're done...