Posted by **lexi** on Thursday, November 27, 2008 at 10:47am.

(x^2n - y^n)(x^2n -Y^n)

- algebra -
**drwls**, Thursday, November 27, 2008 at 12:02pm
That looks like the same thing as (x^2n - y^n)^2

If you multiply it out, you get

x^4n - 2 x^2n*y^n + y^2n

- algebra (PS) -
**drwls**, Thursday, November 27, 2008 at 12:05pm
You should stick with upper or lower case letters (y and Y in your case) and not mix them up. It can lead to confusion. I assumed you meant them both to be the same.

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