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Mathematics 14 Online
OpenStudy (anonymous):

Can anybody please explain how to simplify this?

OpenStudy (anonymous):

OpenStudy (anonymous):

\[(a^3-b^3) = (a-b)(a^2+ab+b^2)\]

OpenStudy (anonymous):

You can use that formula to factor the denominator.

OpenStudy (anonymous):

Is D the correct answer?

OpenStudy (loser66):

yes

OpenStudy (anonymous):

THANKS a lot

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