
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
Let \( r \) be the result of tripling both the base and exponent of \( a^b \), and \( b \) does not equal to \( 0 \). If \( r \) equals the product of \( a^b \) by \( (x + y)^b \), and \( y = 3a \), find \( x \).
**A)** \( 24a^2 \)  
**B)** \( 24a^2 - 3a \)  
**C)** \( 30a^2 \)  
**D)** \( 27a^2 - 3a \)

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