The expression is
.
The expression to be defined is
.
Let
.

Therefore the factored form of
is
. \ \
Find the zeroes of the polynomial .
\

The real zeros of the expression are
and
.
Create a sign chart using the values
and
.

Note : The solid circle denote that the value are included in the solution set.
\The set of value of
denoted in blue color represents the solution set.
Determine whether
is positive or negative on the test intervals.
Test intervals are
and
.
If
then
.
If
then
.
If
then
.
The solutions of
are
values for which
is positive or equal to
.
The solution set is
.
The solution set of
is
.