The inequality is .
is non negative.
Let .
The zeros of are at
and
.
The zeros of are at
and
.
Draw a sign chart by using the values and
.
Note : The hallow circle denote that the value are included in the solution set.
\Observe the sign chart :
\The set of value of denoted in pink color represents the solution set.
Determine whether is positive or negative on the test intervals.
Test intervals are and
.
Subustiute the values in the inequality .
If then
.
If then
.
If then
.
The solutions of are
values such that
is negative.
From the sign chart the solution is .
From the sign chart,the solution set is .
The solution set of is
.