Answer:
-18
Step-by-step explanation:
-3x + x³
-3(-3) + (-3)³
9 + (-27)
9 - 27 = -18
-18 is correct answer
[tex]-3x+x³ \\ - 3( - 3) + { ( - 3)}^{3} \\ + 9 - 27 \\ - 18[/tex]
hope it helped you:)
