# why won't simplify square roots?

sage: assume(x>2)

sage: sqrt(x^2 - 2*x + 1).simplify_full()

sqrt(x^2 - 2*x + 1)

why won't simplify square roots?

sage: assume(x>2)

sage: sqrt(x^2 - 2*x + 1).simplify_full()

sqrt(x^2 - 2*x + 1)

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1

You can use the `canonicalize_radical`

method for that:

```
sage: e = sqrt(x^2 - 2*x + 1)
sage: e.canonicalize_radical()
x - 1
```

However, the assumptions are not taken into account, please read the warning in the doc:

```
sage: e.canonicalize_radical?
```

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Asked: ** 2016-11-24 07:42:57 +0200 **

Seen: **150 times**

Last updated: **Nov 24 '16**

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