
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
Consider the function \( y=\frac{x^3 + 3x^2 - 4x - 12}{x - 1} \). Simplify this into the function \( y = Ax^2 + Bx + C \), defined everywhere except at \( x = D \). Determine the sum of the values of \( A, B, C, \) and \( D \).

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