Question

a(b-c) - b(c-a) – c(a-b)​

Answer 1

Question:

a(b-c) - b(c-a) – c(a-b)

Solution:

= a(b-c) - b(c-a) – c(a-b)

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

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

= 2ab - 2ac - 0

= 2ab - 2ac

Answers: 2ab - 2ac