
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 $(1- \frac {2}{x})^3 = a_0 + a_1 \cdot \frac {1}{x} + a_2 \cdot (\frac {1}{x})^2 + a_3 \cdot (\frac {1}{x})^3$, then $a_1 + a_2 = \_\_\_\_\_\_$.

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