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posted by LaShawn on Saturday, February 16, 2013 at 2:07am.

1-y^2 __________ y^2-4y-5

there is no equal sign.so to what is that equated to

factor it ... = (1-y)(1+y) / ( (y-5)(y+1) ) = (1 - y)/(y-5) , y ≠ -1

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