
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
Compute the following expressions:
(1) $(1) - 2^{2} + 3^{0} - (- \frac {1}{2})^{-1}$;
(2) $(x+2)(x-1) - 3x(x+1)$;
(3) $2a^{6} - a^{2} \cdot a^{4} + (2a^{4})^{2} \div a^{4}$.

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