Question

Factorise
( X + 1 )^2 - (y - 1) ^2
Urgent pls.

Answer 1

(x+1)² -(y-1)²

[(x+1)+(y-1)] [(x+1)-(y-1)]

[x+1+y-1] [x+1-y+1]

(x+y)(x-y+2)

I hope this this will help you


-by ABHAY