Question

64a3-27b3 - 144a2b + 108ab2


64a cube - 27b cube - 144a square b + 108ab square
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Answer 1

64a3-27b3-144a2b+108ab2

Using the identity (a-b)3= a3 -b3 - 3ab(a-b)

(4a)3-(3b)3-3(4a)(3b)(4a-3b)

(4a-3b)3

factors are

(4a-3b) (4a-3b) (4a-3b)