Given:
The expression is:

To find:
The greatest common factor of the given expression.
Solution:
We have,

The terms of the expression are
. The factor forms of these terms are:



The common factors are 2, 2, x. So, the greatest common factor is:


After taking out the G.C.F., the given expression can be written as:

Therefore, the G.C.F. of the given expression is
.