Question

How to do factorise 1) 343a³- 72ab³

Answer 1

Step-by-step explanation:

hope it helps you please follow me I will give your answer on time it's my promise to you hope

Answer 2

Answer:

Use the Algebraic Identity a³-b³ = (a-b) (a²+ab+b²)

Step-by-step explanation:

(I'm hoping 729 is the second number and its a printing error)

I'd suggest you to try it yourself first (hint: Express 343 and 729 as a result of 3rd power(cube) of certain numbers)

(by the way I'm not exactly sure of whether your question is correct or not, so I've attached solutions to both possibilities to your questions... do choose as per requirement.)

Good luck

Advait :)