Question

What is the following difference

Answer 1

You have the following expressions given in the problem shown in the figure attached:

 2ab(∛192ab^2)-5(∛81a^4b^5)

 When you simplify by applying the radical properties, you obtain:

 4x2ab∛(3ab^2)-5x3√(a^4b^5)

 Therefore, you have:

 8ab∛(3ab^2)-15√(3a^4b^5)
 8ab∛(3ab^2)-15√(3a^4b^5)
 8ab∛(3ab^2)-15ab√(3ab^2)
 -7ab(∛(3ab^2))

 The answer is: -7ab(∛(3ab^2))