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Homework Help: maths

Posted by Emma on Wednesday, July 11, 2007 at 5:31am.

how do i factorise this?:

p^2+2p+1-t^2



thx.

p^2 + 2p + 1 - t^2
= (p+1)^2 - t^2
This is the difference of two squares, so it can be rewritten
=(p+1+t)(p+1-t)

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