Question

d. (x + y)(x - y) + (y + z) - z) + (x + z)(x - z) = 0



please help me to solve​

Answer 1

hope it helps ............

Answer 2

Step-by-step explanation:

(x+y)×(x-y)=0

(x+z)×(x-z)=0

y+z-z =0

therefore 0+0+0=0