Respuesta :

Given data:

The first function is f(x)=-x-1.

The second function is g(x)=-6x^2-x+1.

The expression for f(x).g(x) is,

[tex]\begin{gathered} f(x)\text{.g(x)}=(-x-1)(-6x^2-x+1) \\ =6x^3+x^2-x+6x^2+x-1 \\ =6x^3+7x^2-1 \end{gathered}[/tex]

Thus, the product of given functions is 6x^3+7x^2-1.