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Mathematics
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Factor the difference of two cubes x third-729
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how about leaving some for tommorrow?
\[(x-9) (x^2+9 x+81) \]
it is due tonight...was in a wreck Friday evening and just got back home today from hosp so did not get to work on it through out weekend
Ohh.
perfect cubes: \[A^3+B^3= (A+B)(A^2-AB+B^2)\] \[A^3-B^3=(A-B)(A^2+AB+B^2)\]
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