Question

simplify : 3abc + a (a-bc) + b( (b-ac) + c (c-ab)​

Answer 1

Step-by-step explanation:

3abc+a(a-bc)+b(b-ac)+c(c-ab)

=3abc+a^2-abc+b^2-abc+c^2-abc

=a^2+b^2+c^2+3abc-3abc

=a^2+b^2+c^2

Answer 2

Step-by-step explanation:

3abc+a²-abc+b²-bac+c²-cab

3abc+a²-abc+b²-abc+c²-abc

3abc+a²+b²+c²-3abc

a²+b²+c²

simplest solution from my side..