
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
Expand and simplify the expression: \((1+x^3)(1-x^4)(1+x^5)\).
A) \(1 + x^3 - x^4 + x^5 - x^7 + x^8 - x^9 - x^{12}\)
B) \(1 - x^4 + x^3 - x^5 + x^7 - x^8 + x^9 - x^{12}\)
C) \(1 + x^3 - x^4 + x^5 + x^8 - x^7 - x^9 - x^{12}\)
D) \(1 + x^3 - x^4 + x^5 - x^6 + x^7 - x^8 - x^{12}\)

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