SOLUTION: Factoring difference of cube 27a^3 - 343b^3

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Question 181813: Factoring difference of cube
27a^3 - 343b^3
Answer by user_dude2008(1862) About Me  (Show Source):
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27a^3 - 343b^3 = (3a-7b)(9a^2+21ab+49b^2) ... difference of cubes