SOLUTION: x^2 - 22x + 121 = 225

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Question 689070: x^2 - 22x + 121 = 225
Answer by ReadingBoosters(3246) About Me  (Show Source):
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x%5E2-22x+%2B+121+-+225+=+0
...
x%5E2+-+22x+-+104+=+0
...
Factors of 104 that have a difference of 22? Not jumping right out, so complete the square or use the quadratic formula.
...
completing the square...
x%5E2+-+22x+%2B+121+=+104+%2B+121
%28x-11%29%5E2+=+225
sqrt%28x-11%29%5E2 = +/- sqrt%28225%29
x-11 = +/- 15
x = 11 +/- 15
...
highlight_green%28x+=+26%29
AND
highlight_green%28x+=+-4%29
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