Question

(a3 - b3 - 3ab) - (a3 + b3 - 3ab) Is equal to____​

Answer 1

`- 2 {b}^(3)`

Explanation:

`a^3−b^3−3ab−(a^3+b^3−3ab)`

`=(a^3)+(−a^3)+(−b^3)+(−b^3)+(−3ab)+(3ab)`

`= - 2 {b}^(3)`

Hope it is helpful....