Respuesta :

Answer:x+x+x+x+x-3x5+x+x+x-4x4+x

Step-by-step explanation:

Answer:

The answer is x(x^2+1)(x+4)(x−4)

Step-by-step explanation:

First:x^5-15x^3-16x

Second:x(x^2+1)(x+4)(x-4)

Then that is it...