SOLUTION: Please show me each step to factor this completely 1-81x^2y^2

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Question 928772: Please show me each step to factor this completely
1-81x^2y^2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Recognize that it's the difference of two squares.
A%5E2-B%5E2=%28A%2BB%29%28A-B%29
1-81x%5E2y%5E2=%281-9xy%29%281%2B9xy%29