Question

factorize x^2+y^2-z^2-2xy​

Answer 1

Answer:

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

Step-by-step explanation:

x² + y² - z² - 2xy

= ( x² + y² - 2xy ) - z²

= ( x - y )² - z²

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