Consider the function f(x) = x4 – 3x3 – 7x2 + 15x + 18.

Question

Use synthetic division to divide f(x) by x – 3. Use the answer to explain whether or not x – 3 is a factor of f(x).Factor f(x) completely.

Answer 1

take a visit to

http://www.mathportal.org/calculators/polynomials-solvers/synthetic-division-calculator.php

and enter your coefficients. It will show the calculation, and even explain it if needed.

It's hard to do it here, due to browser formatting of html.

Answer 2

thank you, Steve :)