How do you factorise the following x2+2xy+y2-z2
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Originally Posted by Niamh Dixon How do you factorise the following x2+2xy+y2-z2
What happened to the 2xy? TKS
Originally Posted by Niamh Dixon What happened to the 2xy? TKS Do you agree? MY 1th POST!!!
Cheers thanks for your help
Originally Posted by janvdl Do you agree? MY 1th POST!!! Haha, congratz ^^ (like i'm old in the forum ;p)
Originally Posted by wingless Haha, congratz ^^ (like i'm old in the forum ;p) Thank you! I'm finally a contributor
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