Expand (2a-3b)whole cube using suitable identity
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see the answer in the attachment
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Answer:
(2a-3b)³
(x-y)³=x³-y³-3xy(x-y)
(2a-3b)³=(2a)²-(3b)³-3(2a)(3b)(2a-3b)
=8a³-27b³-18ab(2a-3b)
=8a³-27b³-36a²b+54ab²
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