Question

(X to power 2 - 2xy + y to power 2) - z to power 2

Answer 1

Answer:

(x-y-z)(x-y+z)

Step-by-step explanation:

x^2 - 2xy + y^2 - z^2

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

=(x-y-z)(x-y+z)