Question

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

Answer 1

Answer:

0

Step-by-step explanation:

hope it helps

mark it brainlist

Answer 2

Step-by-step explanation:

ANSWER:

We know that a²-b²= (a-b)(a+b)

Using this formula, we can put it

(a + b)(a - b) = a²-b²

(b + c)(b -c)= b²-c²

(c + a) (c-a)= c²-a²

Putting these values I get

a²-b²+b²-c²+c²-a²

All get cut. off,

Hence the answer is 0.