I have some questions regarding syntheetic division.
f(x) = x3 - 9x + 3
you do have to remember to insert zeros for missing powers. Play around at
http://www.mathportal.org/calculators/polynomials-solvers/synthetic-division-calculator.php
f(x) = x3 - 9x + 3
http://www.mathportal.org/calculators/polynomials-solvers/synthetic-division-calculator.php