Question

Find the value of (x-a)^3+(x-b)^3+(x-c)^3-3(x-a)(x-b)(x-c) if a+b+c=3x

Answer 1

Step-by-step explanation:

(x-a)^3+(x-b)^3+(x-c)^3=3[(x^2-ax-bx+ab)

(x-c)]

=3[x^3-x^2c-x^2a-x^2b-axc-bxc-abc+abx]