Question

The value of (x – y)(x + y) + (y – z)(y + z) + (z – x) (z + x) is equal to ________.​

Answer 1

Step-by-step explanation:

x²-y²+y²-z²+z²-x²

=0

hope it will help you please make it brainliest answer

Answer 2

answer= 0

Step-by-step explanation:

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

=xy-xz+yz+yx+zx-zy

=(xy-yx)+(-xz+zx)+(yz-zy)

=0