How do you solve using the completing the square method $(x-9)^2=1$ ?

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Answer 1 · 2016-07-30T18:05:13

If a number to the square is 1, that number is either 1 or -1

If $(x-9)^2=1$ , then $x-9=1$ or $x-9=-1$ . Then is either $x=9+1$ or $x=9-1$ . The solutions are then $x=10$ and $x=8$

How do you solve using the completing the square method (x-9)^2=1(x-9)^2=1?