$\"\"$

The equation is $\"\"$ .

Compare the equation with $\"\"$ .

a = 8, b = 18 and $\"\"$

Apply quadratic formula: $\"\"$ .

$\"\"$ (Replace a with 8, b with 18, and c with $\"\"$ )

$\"\"$ $\"\"$

$\"\"$

$\"\"$ ( $\"\"$ )

$\"\"$

$\"\"$ $\"\"$

The solutions are $\"\"$ .