SOLUTION: Different methods for solving and show work: (9x-1)^2=1

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Question 775692: Different methods for solving and show work:
(9x-1)^2=1
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
1)
%289x-1%29%5E2=1+
9x-1=1+ or 9x-1=-1
9x=2 or 9x=0
x=2%2F9 or x=0
2)
%289x-1%29%5E2=1+
81x%5E2-18x%2B1=1
81x%5E2-18x=0
9x%289x-2%29=0
9x=0 or 9x-2=0
x=0 or x=2%2F9