Question

a(b -c) + b(c- a) + c(a - b)​

Answer 1

Answer:

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

opening brackets and multiplying

ab-ac + bc -ab +ac -bc

Cutting common terms.

so Answer =0.

Answer 2

Answer:

a(b-c) + b(c-a) + c(a-b)=0