Question

Using identities solve:25m^2-121n^2
Pls answer fast tmrw I have maths exam

Answer 1

It is of the form a^2 -b^2 It's solution is (a+b) (a-b) Therefore it is (5m+11n) (5m-11n).

Answer 2

25m^2-121n^2
(5m)^2-(11n)^2
or,
(5m-11n)(5m+11n)