$\"\"$

\

The inequality is $\"\"$ .

\

$\"\"$ can be written as $\"\"$ .

\

Let $\"\"$ .

\

$\"\"$ .

\

Therefore $\"\"$ .

\

$\"\"$ is in the form of $\"\"$ .

\

The factored form of $\"\"$ is $\"\"$ .

\

$\"\"$

\

Therefore $\"\"$ has $\"\"$ real zero at $\"\"$ .

\

$\"\"$

\

Create a sign chart using the value $\"\"$ .

\

$\"\"$

\

Note : The solid 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 $\"\"$ .

\

\

If $\"\"$ ,then $\"\"$ .

\

If $\"\"$ , then $\"\"$ .

\

The solutions of $\"\"$ are $\"\"$ values such that $\"\"$ is positive or equal to $\"\"$ .

\

From the sign chart, you can see that the solution set is $\"\"$ .

\

The solution set is $\"\"$ .

\

$\"\"$

\

The solution set of $\"\"$ is $\"\"$ .