Respuesta :

Answer:

-18

Step-by-step explanation:

-3x + x³

-3(-3) + (-3)³

9 + (-27)

9 - 27 = -18

Answer:

-18 is correct answer

Step-by-step explanation:

[tex]-3x+x³ \\ - 3( - 3) + { ( - 3)}^{3} \\ + 9 - 27 \\ - 18[/tex]

hope it helped you:)