$\"\"$

The polynomial function $\"\"$ . $\"\"$

The polynomial function $\"\"$ graph is

$\"graph$

$\"\"$

The polynomial function $\"\"$ .

The polynomial function $\"\"$ graph is

$\"graph$

From the graph the x - intercepts are $\"\"$ . $\"\"$

The x - intercepts are $\"\"$ .

$\"\"$

The polynomial function $\"\"$ .

$\"\"$ (Substitute y = 0)

The above equation solve by the synthetic division method.

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$\"\"$ (Factors)

$\"\"$ (1st set equals to zero)

$\"\"$ (2nd set equals to zero)

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

The solutions are $\"\"$ .