Respuesta :

Answer:

3x^3−9x−18

Step-by-step explanation:

Let's simplify step-by-step.

x3+2x3−9x−18

=x3+2x3+−9x+−18

Combine Like Terms:

=x3+2x3+−9x+−18

=(x3+2x3)+(−9x)+(−18)

=3x3+−9x+−18

Answer:

=3x^3−9x−18

First
( x - 3) ( x^2 + 5x +6) now you just simply it and you get
( X-3 )( x+2 )( x+ 3 ) and that’s your answer