Question

Factorize:
4-(l-m)²
Please explain Me​

Answer 1

Answer:

(l-m)2

Step-by-step explanation:

(l+m)  

2

−4lm

=l  

2

+2lm+m  

2

−4lm

=l  

2

−2lm+m  

2

 

=(l−m)  

2

=(l−m)(l−m)