$\"\"$

The equation is $\"\"$ .

Subtract 8x from each side.

$\"\"$

Compare the equation with $\"\"$ .

a = 1, b = $\"\"$ and c = 9.

Apply quadratic formula: $\"\"$ .

$\"\"$ (Replace a with 1, b with $\"\"$ , and c with 9) $\"\"$

Product of two same sings is positive.

$\"\"$

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

The solutions are $\"\"$ .