Question

(m+n/3) (m-n/7):.........​

Answer 1

First we use property a^2-b^2= (a+b) (a-b)

and open brackets and solve it....

hope it helps

Answer 2

here is your answer..

first we use property a^2-b^2= (a+b) (a-b)

and open brackets and solve it....

hope it helps