$\"\"$

To find the real zeros of the function, set f(x) equal to zero and solve for x.

The polynomial function $\"\"$ .

$\"\"$ (Set f(x) equal to zero)

$\"\"$ (Add $\"\"$ to each side)

$\"\"$ (Take square root to each side)

So, the real zeros are $\"\"$ . $\"\"$

The real zeros are $\"\"$ .