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The equation is $\"\"$ .

The equation have exactly three solutions. (From fundamental theorem)

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

Special factors : $\"\"$ .

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Apply zero product property.

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Use quadratic formula to solve $\"\"$ .

Quadratic formula : $\"\"$ .

Compare the equation : $\"\"$ with standard form of quadratic equation $\"\"$

$\"\"$ .

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The three solutions are $\"\"$ . $\"\"$

The solutions are plotted as an absolute value of 5 :

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The three solutions are $\"\"$ , and

The graph is :

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