Respuesta :

Given that,

The polynomials 8, a² and -5a

To find,

Multiply the polynomials.

Solution,

We have, the polynomials

8, a² and -5a

ATQ,

8×a²×(-5a) = (8×(-5)) ×a²×a

=-40×a²⁺¹

= -40a³

So, the answer is -40a³.