Two a -three b whole cube
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Answer:
(a-b)*3.
here is it answer
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(2a-3b)^3
=(2a) ³- (3b)³ - 3(2a)(3b)(2a-3b)
=8a - 27b -9ab(2a-3b)
=8a - 27b - 18a²+ 27ab²
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