2A + 3 b whole bracket cube minus 2 a - 3b whole bracket cube simplify
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Answer:
Step-by-step explanation:
(2a-3b)^3
=(2a)^3-(3b)^3-3.2a.3b.(2a-3b)
=8a^3-27b^3-18ab(2a-3b)
=8a^3-27b^3-36a^2b+54ab^2 is the Ans.
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