
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given $A=2x^{2}+3ax-2x-1$, $B=-3x^{2}+3ax-1$, and $C=3A-2B$.  
$(1)$ Find the polynomial $C$;  
$(2)$ If $C$ does not contain the term with $x$, find the value of $a$.

Present the answer in LaTex format: \boxed{Your answer}
user