Question

Factorise it as it is so much hard for me. In the school I don’t pay attention

Answer 1

Step-by-step explanation:

Hølà mate ❤️

Using identity (a-b)^3 -. a*3 -b*3- 3ab(a-b).

(3a-2b)^3 is equals to

(3a)^3 -(2b)^3 -3 .3a .2b (3a -2b)

27a^3 - 8b^3 -18ab(3a-2b)

27a^3 -8b^3- 54a^2b+ 36ab^2

hope it helps you

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