
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
Define a new operation "※" with the rule: $a※b=ab-a-b$. For example, $1※2=1×2-1-2=-1$. If the two roots of $x^2+x-1=0$ are $x_1$ and $x_2$, then find the value of $x_1※x_2$.

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