
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
Observe the following equations:  
First row: $3=4-1$  
Second row: $5=9-4$  
Third row: $7=16-9$  
Fourth row: $9=25-16$  
...  
According to the above pattern, how can the equation for the $n$-th row be represented?

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