Question

if a+b+c=0 then what is the value of a3+b3+c3

Answer 1

Hope you will understand

Answer 2

a3+b3+c3-3abc

=(a+b+c)(a2+b2+c2-ab-bc-ca)

=0. (since a+b+c=0)

so

a3+b3+c3-3abc=0

therefore,

a3+b3+c3=0

Hope this will help you.