Answer
$224=(14)(16)$
Work Step by Step
$224=$
...write $224$ as a difference of two squares.
$=225-1$
...write each term as a square.
$=15^{2}-1^{2}$
...use the rule for the difference of two squares.
$=(15-1)(15+1)$
...simplify.
$=(14)(16)$