How do you simplify $-sqrt(25)$ ?

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Answer 1 · 2015-06-30T11:30:42

$-sqrt(25) = -5$

$sqrt(k)$ means the value $m$
where $m>=0$
and for which $mxxm = m^2 = k$

For $sqrt(25)$ this value is $5$

If $sqrt(25) = 5$
then
$-sqrt(25) = -5$

How do you simplify -sqrt(25)-sqrt(25)?