Question

expand the following using identities 1. 27a³-8b³​

Answer 1

Step-by-step explanation:

Hi Yusuf

Here's your answer

x^3-y^3=(x-y)(x^2+y^2+xy)

here x=3a, y=2b

So,

27a^3-8b^3=(3a-2b)((3a)^2+(2b)^2+3a×2b)

27a^3-8b^3=(3a-2b)(9a^2+4b^2+6ab)

Hope, it helps.