Answers

2014-06-29T18:35:56+08:00
Answer:
(8x-13y)^3
=512x^3-2496x^2y+4056xy^2-2197y^3


(7w^3-15x^2)^3
=343w^9-2205w^6x^2+4725w^3x^4-3375x^6


Hope it helps! :)

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