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April 24, 2014

April 24, 2014

Posted by **Joe** on Monday, July 13, 2009 at 6:09pm.

(w^2-1)/(w-1) x (w^2+2w+1)

- algebra -
**Marth**, Monday, July 13, 2009 at 6:16pm(w^2 + 2w + 1) = (w + 1)^2

(w^2 - 1) = (w - 1)(w + 1)

Therefore, (w^2 - 1) / (w - 1) = (w - 1)(w + 1) / (w-1) = (w + 1)

Multiply (w + 1) by (w + 1)^2

(w + 1)(w + 1)^2

= (w + 1)^3

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