
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 larger square contains a smaller square entirely within it. The side length of the smaller square is 5 units, and the side length of the larger square is 10 units. What is the number of square units in the area of the shaded region?

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