Answer:
[tex]2[/tex]
Step-by-step explanation:
[tex]-3x-7(x=-3)[/tex]
[tex](-3)(-3)-7[/tex]
Rewrite:
[tex](-3*-3)-7[/tex]
Now solve:
[tex](-3*-3)=9\\9-7=2[/tex]
2 is your answer.
