
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 $x$: 
\[4x - 8x^2 + 10 - (5 - 4x + 8x^2).\] 
Express your answer in the form $ax^2 + bx + c$, where $a$, $b$, and $c$ are numbers.

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