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Mathematics 16 Online
OpenStudy (anonymous):

Factorise the expression:

OpenStudy (anonymous):

\[x^6-27y^3\] I've tried doing it but can't seem to get to the answer, which is: \[(x^2-3y)(x^4+3x^2y+9y^2)\] Can anyone explain to me how? Much appreciated.

OpenStudy (midhun.madhu1987):

|dw:1413279741830:dw| understood this?

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