Question

Problem attached in picture.

Answer 1

17

Answer 2

-4x^3+6x^2-9x-2 and x=-1 so substitute in -1 for all of the x values
-4*-1^3+6*-1^2-9*-1-2
-4*-1+6*1-9*-1-2
4+6+9-2
17