
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
Let \( p, q, r, s \) be the four roots of the equation \( 2(10x + 13)^2 (5x + 8)(x + 1) = 1 \). If \( pq + rs \) is real, find the value of this real number.

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