Question

(a - b ) + ( b - c ) + ( c - a )
​

Answer 1

Step-by-step explanation:

$\tt a-b+b-c+c-a$

$\tt a-a+b-b+c-c$

$\tt 0$

Answer 2

Answer:

0

Step-by-step explanation:

(a-b)+(b-c)+(c-a)

a-b+b-c+c-a

answer is zero