Let $f(x)=x^2-2x$. What is the value of $f(f(f(f(f(f(-1))))))$?
Question:
Let $f(x)=x^2-2x$. What is the value of $f(f(f(f(f(f(-1))))))$?
Answer:
Let's think step by step.

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Let $f(x)=x^2-2x$. What is the value of $f(f(f(f(f(f(-1))))))$?
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