27a3 - 54a2 +36a - 8 factories
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Answer:
8 -27a³ -36a +54a²
Group the terms
(2)³-(3a)³ - 3*2*3a(2-3a)
=(2)³-(3a)³-18a(2-3a)
=a³-b³-3ab(a-b)
=(2-3a)³
hope it helps
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