Question

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

Answer 1

Answer:

2a+3b+2c

Step-by-step explanation:

Answer 2

Answer: o = ( a - b) ( a + b ) + ( b - c ) ( b + c ) + ( c - a ) ( c + a )

Steps: Switch sides