
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
Simplify the following expression in $x$ and $y$: \[5x - 3y + 9x^2 + 8 - (4 - 5x + 3y - 9x^2).\] Express your answer in the form $ax^2 + bx + cy + d$, where $a$, $b$, $c$, and $d$ are numbers.

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