Question

factorise the following:
(x2 – 2xy + y2) - z²
​

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)

Thanks. Hope you understood. If yes, please mark it as the brainliest. Stay Safe!

Answer 2

Answer:

(x² -2xy +y²) -z²

solution :

(a-b)² = a² -2ab +b²

Here,

(x-y)² = x² -2xy +y²

(x-y) (x-y) - z² _____ Answer