$\"\"$

The function is $\"\"$ .

If $\"\"$ is a rational zero, then $\"\"$ is a factor of $\"\"$ and $\"\"$ is a factor of $\"\"$ . \ \

Here, $\"\"$ and $\"\"$ .

Write the possible value of $\"\"$ in simplest form. \ \

$\"\"$ and $\"\"$ .

$\"\"$

The possible rational zeroes are $\"\"$ and $\"\"$ .