CK-12 Foundation
Ck 12: Algebra: Subtraction of Polynomials
[Free Registration/Login may be required to access all resource tools.] Subtract polynomials vertically and horizontally.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Polynomials
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to add and subtract polynomials. Students can watch a video tutorial, explore guided notes and attempt practice problems.
University of Saskatchewan (Canada)
University of Saskatchewan: Polynomials and Roots
This site, which is given by the University of Saskatchewan, provides a general overview of polynomials and roots. Examples and exercises are included.