
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
Simplify and find the value:<br/>$(1)3a(a^{2}-2a+1)-2a^{2}(a-3)$, where $a=2$;<br/>$(2)\left(x-4\right)\left(x-2\right)-\left(x-1\right)\left(x+3\right)$, where $x=-\frac{5}{2}$.

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