Question

(x - y) (x + y) + (y – z)(y + z) + (z - x)​

Answer 1

Answer:

Z+Z ANSWER BY TEJAS SINGH

Answer 2

Answer:

✡x²-z²-x+z

Step-by-step explanation:

➡(x-y) (x+y) +(y-z) (y+z) +(z-x)

✡Using identity (a-b) (a+b) =a²-b²

➡x²-y²+y²-z²+z-x

➡x²-z²-x+z

✅Hence, x²-z²-x+z is your answer.

Hope this is helpful to you!