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March 28, 2015

March 28, 2015

Posted by **katelynn** on Monday, February 13, 2012 at 5:48pm.

- algebra1 -
**Reiny**, Monday, February 13, 2012 at 5:49pmI see the pattern of "difference of squares"

Did you know that (a+b)(a-b)= a^2- b^2 ?

so

(x^2 + 16)(x^2 - 16)

= x^4 - 256

- algebra1 -
**katelynn**, Monday, February 13, 2012 at 6:02pmthats what I thought

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