8a cube - 1/27b cube
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Answer:
(2a - 1b/3) (4a^2 + b^2/9 + 2ab/3)
Step-by-step explanation:
8a^3 - 1/27b^3
= (2a)^3 - (1/3b)^3
= (2a - 1b/3) (4a^2 + b^2/9 + 2ab/3)
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