SOLUTION: factor completely: x^2-2x-4y^2-4y=?

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Question 254761: factor completely:
x^2-2x-4y^2-4y=?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-2x-4y^2-4y
x^2-4y^2-2x-4y
(x-2y)(x+2y)-2(x+2y)
(x+2y)(x-2y-2) ans.