Respuesta :

Answer:

-x^3  +x^2 -4x-3

Step-by-step explanation:

(x^3-2x-6)-(2x^3-x^2+2x-3)

Distribute the minus sign

(x^3-2x-6)-2x^3+x^2-2x+3

I like to line them up vertically

x^3          -2x-6

-2x^3+x^2-2x+3

-----------------------

-x^3  +x^2 -4x-3

ACCESS MORE
EDU ACCESS
Universidad de Mexico