Question

(l+m+n) (l-m+n) please answer it correctly​

Answer 1

Answer:

$l ^{2} - {m}^{2} \: - {n}^{2} + 2mn$

Step-by-step explanation:

the following is the correct answer by using the identity

Answer 2

Answer:

Hello

Step-by-step explanation:

ur name please

please mark me brainlist please