8a3 -27b3 factorise the sum
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Answer:
(2a)³-(3a)³=
a³+b³+3ab(a+b)
8a³+27b³+3(2a)(3b)×2a+3b
8a³+27b³+18ab×2a+3b
8a³+27b³+36a²b+54ab²
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