Question

343a3 - 729b3.. tell plzz if u know ..​

Answer 1

Step-by-step explanation:

hope it helps you. we used the identity a^3-b^3

Answer 2

Answer:

343a3 - 729b3

(7a)^3 - (9b)^3

(7a - 9b){(7a)^2 +(9b)^2 + 7a×9b}

(7a -9b)(49a^2 + 81b^2 + 73ab)