
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
The value of \(\frac{1^{2}-3^{2}+5^{2}-7^{2}+\cdots+97^{2}-99^{2}}{1-3+5-7+\cdots+97-99}\) can be simplified by factoring and canceling. Determine the simplified expression.

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