
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
Given set A={x|x^2+(5-a)x-5a≤0}, set B={x|-3≤x≤6}, and the universal set R.
(1) When a=5, find A∩(∁\_R B);
(2) If A∩(∁\_R B)=A, find the range of real number a.

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