The given equation is
.
Factors of
:
.

Group the terms with common factors.
\
Factors of
:
.
Factors of
:
.
Factors of
:
.
Factors of
:
.


Take out common term
.

Take out common term 3.
\
Take out common term
.

Apply zero product property: If ab = 0 then a = 0 or b = 0.
\
or 
or 
The factors of the given equation is
and 8.