Question

Simplify (a-b) (a^2+b^2+ab) - (a+b) (a^2+b^2-ab)

Answer 1

Answer:

Simplify (a-b) (a^2+b^2+ab) - (a+b) (a^2+b^2-ab)

= {(a-b) (a^2+b^2+ab)} - {(a+b) (a^2+b^a^2+b^2-ab)}

= (a^3-b^3) - (a^3+b^3)