The polynomial is
.
The general quadratic expression is
.
In this trinomial
and
.
Find two numbers with a sum of
and a product of
.
Make a list of the factors of
and look for the of factors with the sum of
.

The factors are
and
.
Apply the pattern:
.

(Group terms with common factors)
(Factors the GCF from each group)
(Apply distributive property:
)
.
.