$\"\"$

The polynomial function is $\"\"$ .

Find roots by evaluating $\"\"$ .

$\"\"$

Imaginary roots are not considered ,hence the roots are $\"\"$ , $\"\"$ and $\"\"$ .

$\"\"$

Draw a table for different values of $\"\"$ .

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

Graph :

Draw the coordinate plane.

Plot the points.

Connect the points using a smooth curve.

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$\"\"$

The polynomial function is $\"\"$ .

Graph of the polynomial is

$\"\"$