+1 vote
in General by kratos

factorise:64a2b - 144b3

1 Answer

+3 votes
by kratos
 
Best answer

64a2b - 144b3

= 16b (4a2 - 9b2)

= 16b [(2a)2 - (3b)2]

= 16b (2a + 3b)(2a - 3b)

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