factorise 24a^3-81b^3
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Step-by-step explanation:
(24 • (a3)) - 34b3
(23•3a3) - 34b3
24a3 - 81b3 = 3 • (8a3 - 27b3)
3 • (2a - 3b) • (4a2 + 6ab + 9b2)
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