SOLUTION: What is the answer to this equation by using the Square Root Property: x^2-2x+1=18?

Question 611556: What is the answer to this equation by using the Square Root Property: x^2-2x+1=18?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
What is the answer to this equation by using the Square Root Property: x^2-2x+1=18?
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First, you must complete the square:

take half 'b', square it and add to both sides:

now, you can take the square root of both sides:

.
TWO answers:

and

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