Factorise the following: 27a 3 b 3 - 18a 2 b 3 + 75a 3 b 2

H.C.F. of 27a 3 b 3 , 18a 2 b 3 and 75a 3 b 2 is 3a 2 b 2 . ∴ 27a 3 b 3 - 18a 2 b 3 + 75a 3 b 2 = 3a 2 b 2 (9ab - 6b + 25a).

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H.C.F. of 27a³b³, 18a²b³ and 75a³b² is 3a²b².

∴ 27a³b³ - 18a²b³ + 75a³b² = 3a²b²(9ab - 6b + 25a).

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