SOLUTION: (x-11)(x-11)=20 x=?

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Question 315915: (x-11)(x-11)=20 x=?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x:
%28x-11%29%28x-11%29+=+20 Rewrite as:
%28x-11%29%5E2+=+20 Take the square root of both sides.
x-11+=+sqrt%2820%29 or x-11+=+-sqrt%2820%29 Add 11 to both sides of each solution.
x+=+11%2B2sqrt%285%29 or x+=+11-2sqrt%285%29