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February 1, 2015

February 1, 2015

Posted by **Michelle Summer** on Friday, January 18, 2013 at 9:25pm.

- Algebra -
**Reiny**, Saturday, January 19, 2013 at 12:40amYou must know that

A^3 + B^3 = (A+B)(A^2 - AB + b^2)

so 8x^3 + 27)

= (2x + 3)(4x^2 - 6x + 9)

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