The given polynomial is
.
Factors of
:
.

Group the terms with common factors
\
To find the factors the G.C.F
\Factors of
:
.
Factors of
:
.
Factors of
:
.
Factors of
:
.

Take out common term
.

Take out common term 5.
\
Take out common term
.

The factors of the given polynomial are
.