Question

expsntion (3m+4n) (3m-4n)​

Answer 1

Answer:

Question :-

(3m+4n) (3m-4n)

Required Answer :-

= (3m+4n) (3m-4n)

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

= (3m)^2 - (4n)^2

= 9m^2 - 16n^2

Hope it help you :)