Answer
$5-\sqrt 2$
Work Step by Step
|$\sqrt 2 - 5$|
This must evaluate to a positive number. The square root of 2 is a very small quantity and if you were to subtract 5 from it you would get a negative result.
Find the opposite.
-($\sqrt 2 - 5$)
Multiply through.
-$\sqrt 2 + 5$
$5-\sqrt 2$