SOLUTION: how do you factor 49-9y^2?

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Question 487186: how do you factor 49-9y^2?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
49-9y%5E2
can be rewritten as:
7%5E2+-+%283y%29%5E2
now, we have a "difference of squares" (special case for factoring):
%287-3y%29%287%2B3y%29