Hi!
I'm having trouble with the following question:
"Solve the following quadratic formula by completing the square:
x^2 -2x +a = 0 "
So far, I'm managed to find out that
a)The equation has 2 distinct roots because
"b^2 -4ac" = positive
b) One of the roots is 1.
My textbook says that the other answer is sqrt(1-a) but I can't get that answer. My calculations show that the answer should be (sqrt(1-a) + 1 )
Could you please show working? Thanks in advance!

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i believe you reached till
\(\large x^2 -2x+1 = 1-a\)
right ??

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