Question

please explains me this clearly!!!
please attach a pic of your answer don't type it​

Answer 1

Answer:

ANSWER

(l+m)

2

−4lm

=l

2

+2lm+m

2

−4lm

=l

2

−2lm+m

2

=(l−m)

2

=(l−m)(l−m)

Answer 2

Answer:

hey dude ur answer.......