Fractorise a ^(3) - 8b ^(3) - 64 c^(3) -...

Fractorise `a ^(3) - 8b ^(3) - 64 c^(3) - 24 abc`

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The correct Answer is:

`(a-2b-4c)(a^(2)+4b^(2)+16c^(2)+2ab-8bc+4ca)`

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