Question

5.Factorise 64x³-27y³-144x²y +108xy² (2 Points)

Answer 1

Answer:

We know that this is written in the form of identity-

(a-b)³=a³-b³-3ab(a-b)

=(4x)³-(3y)³-3(4)(3)(4x-3y)

=(4x-3y)³=(4x-3y)(4x-3y)(4x-3y).

Answer 2

Answer:

64x³-27y³-144x²y +108xy²