Question

Factorise (x+y)^2+2(x+y)(x-y)+(x-y) ^2​

Answer 1

Step-by-step explanation:

Take what is common as the first factor

(x−y)[3(x−y)−2]

That’s it dude ! No more x,y terms sprawl exists that can be condensed into factors !

Cheers!

Answer 2

Answer:

      $[(x+y)+(x-y)]^2$