Question

Factorise 1-(m+n) ^2​

Answer 1

Answer:

1 -(m+n)^2

1-m^2 +2mn+n^2

m^2 +n^2 +2mn-1

Answer 2

Answer:

hope it will help

Step-by-step explanation:

1 - (m+n)²

(1+m+n) (1-m-n)