
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
Here are two functions: 
$$\begin{array}{ccc}
f(x) & = & 4x^2 - 3x + 5\\
g(x) & = & 2x^2 - mx + 8
\end{array}$$
If $f(5) - g(5) = 15,$ what is the value of $m$?

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