1. Make sure the "Click here to show your graph and the factored form" is not checked. [br]2. Type in your function. [br]3. Find your roots by using the "Synthetic Division" worksheet. [br]4. Enter your roots in the first worksheet. [br]5. Check if your roots are correct by clicking on the "Click here to show your graph and the factored form".

When entering the roots, complex numbers do not work. [br]These work with polynomials of degree 3 and lower.