
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
What is the simplified form of $(7-\sqrt{y^2-49})^2$?
A) \( y^2 \)
B) \( y^2 - 7\sqrt{y^2 - 49} \)
C) \( y^2 - 14\sqrt{y^2 - 49} \)
D) \( 49 \)

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