SOLUTION: help please, Solve by completing the square 2^x +2x=14

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Question 455045: help please,
Solve by completing the square
2^x +2x=14
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2^x +2x=14
x%5E2+%2B+x+=+7
b/(2a) = 1/2
c = (1/2)^2 = 1/4
Add 1/4 to both sides
x%5E2+%2B+x+%2B+1%2F4+=+29%2F4
%28x+%2B+1%2F2%29%5E2+=+29%2F4
x+%2B+1%2F2+=+sqrt%2829%29%2F2
x+=+-1%2F2+%2B+sqrt%2829%29%2F2
x+=+-1%2F2+-+sqrt%2829%29%2F2