Question

Add the following expression ab+bc+ca and -bc -ca -ab

Please write the correct answer and explain​

Answer 1

Answer:

Add the following expression ab+bc+ca and -bc -ca -ab

Please write the correct answer and explain

Answer 2

Answer:

0

Step-by-step explanation:

= ab + bc + ca + ( - bc - ca - ab)

= ab + bc + ca - bc - ca - ab

= ab - ab + bc - bc + ca - ca

= 0