Question

x-y-x^2+y^2 factorize this​

Answer 1

The given equation= x-y-x^2+y^2.

=> (x-y)-(x^2-y^2)

Use the identity, a^2-b^2= (a-b)(a+b).

=> (x-y)-(x+y)(x-y)

Take x-y common

=> (x-y)(1-x-y). {Ans.}