Question

Factorise (a + b)^3 – 8(a - b) ^3​

Answer 1

Answer:

(a+b)³-8(a-b)³

a³+b³+3ab(a+b)-(8a-8b)³

a³+b³+3ab(a+b)-8a³-8b³-3ab(a-b)

7a³-7b³

I hope it will help you