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April 19, 2014

April 19, 2014

Posted by **ted** on Thursday, July 5, 2012 at 2:47pm.

pls help

- math -
**Chip**, Thursday, July 5, 2012 at 2:49pmThe difference of cubes formula is:

x^3 − y^3 = (x − y)*(x^2 + xy + y^2)

Your x is x in this case and y = 8 (2^3).

So you get:

x^3 - 2^3 = (x - 2)*(x^2 + 2x + 4).

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