
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
A student attempted a problem: Given two polynomials $A$ and $B$, find the value of $A-2B$. He mistakenly took $A-2B$ as $2A-B$ and obtained the result $3x^{2}-3x+5$. It is known that $B=x^{2}-x-1$. Find the correct answer.

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