
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
The graphs of the linear functions $y = (m^2 - 4)x + (1 - m)$ and $y = (m + 2)x + (m^2 - 3)$ intersect the y-axis at points P and Q, respectively. If these two points are symmetric about the x-axis, determine the value of $m$.

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