SOLUTION: solve by completing the square 4x + 2 = x2nd power

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Question 142753: solve by
completing the square
4x + 2 = x2nd power
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
4x+2=x^2
0=x^2-4x-2
0=x^2-4x+4-4-2
0=(x-2)^2-6
6=(x-2)^2
0%2B-sqrt%286%29=x-2
2%2B-sqrt%286%29=x