Question

Factorise:8(x+y)^3-z^3

Answer 1

I send a photo of this question please see

Answer 2

we can write 8z^3-(x-y)^3 as (2z)^3- (x-y)^3

and assuming 2z as a and (x-y) as b

and then put the below formula

Step-by-step explanation:

according to the answer

we put formula a^3-b^3

= (a-b) [a^2+2ab+b^2]

and yes answer is right.

hope it helps