The function is .

Find the - intercepts by equating to zero.

Apply zero product property.

or

or

Solve .

The general solution of is , where is an integer.

The solution is , where is an integer.

Find the solutions on the interval .

If , .

If , .

If , .

Thus, the solutions are , , and on the interval .

Solve .

The general solution of is , where is an integer.

The solution is , where is an integer.

Find the solutions on the interval .

If , .

If , .

Thus, the solutions are and on the interval .

Solve .

The general solution of is , where is an integer.

The solution is , where is an integer.

Find the solutions on the interval .

If , .

If , .

Thus, the solutions are and on the interval .

Therefore, the - intercepts are , , , , , , and on the interval .

The - intercepts are , , , , , , and on the interval .