$\"\"$

\

The equation is $\"\"$ .

\

Apply zero product property: $\"\"$ .

\

$\"\"$

\

Solve the first equation, $\"\"$ .

\

Subtract 6 from each side.

\

$\"\"$

\

$\"\"$

\

Divide each side by 2.

\

$\"\"$

\

$\"\"$

\

Solve the second equation, $\"\"$ . $\"\"$

\

Check for first solution:

\

To check the solution, the value of $\"\"$ substitute in original equation $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ (Solution checks) $\"\"$

\

Check for second solution:

\

To check the solution, the value of $\"\"$ substitute in original equation $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ (Solution checks) $\"\"$

\

The value of $\"\"$ .