## College Algebra (6th Edition)

$5-\sqrt 2$
|$\sqrt 2 - 5$| 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. -$\sqrt 2 + 5$ $5-\sqrt 2$