Question

Simplify a(b-c)+b(c-a)+c(a-b)​

Answer 1

Answer:

a*b-c*a +b*c-b*a+c*a-c*b

ab-ca+bc-ab+ac-bc

like terms are: ab-ab-ca+CA+bc-bc

cut the like terms

answer is 0

Answer 2

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

=ab-ac +bc -ab+ac-bc

=(ab-ab)+(ac-ac)+(bc-bc)

=0