Welcome to the general quadratic inequality machine!

Solve for *x*: *x*^{2} − 2*x* + 1 ≤ 0

*Note*: due to the limitations of computer keyboards, you likely don't have an ∞ key, so just write “inf” or the like; if you write anything that I can't parse as a number then I'll assume you mean ±∞.

Please write your answer in interval notation.
If you want to write two intervals, put a ‘u’ between them. (That means they're both solutions.)

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