
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 $A=2x$, $B$ is a polynomial. Xiao Ming mistakenly calculated $B+A$ as $B \times A$, and the result was $3x^{3}-2x^{2}-2x$. What is the correct result of $B+A$?

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