
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
Calculate $12a + 6b + 3c + d$ where the expression $(4x^3 - 6x + 5)(9 - 3x)$ is equivalent to $ax^4 + bx^3 + cx^2 + dx + e$, and find this sum specifically at $x = 3$.

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