Factoring a trinomial (time: 2:36)
http://www.youtube.com/watch?v=_BGAOjZzeCI
This is one of the best all around sites that I have
found. It is titled "The MacTutor History of Mathematics
Archive."
http://www-history.mcs.st-and.ac.uk/~history/
This is an award-winning site that links
to all sorts of mathematics information.
http://archives.math.utk.edu/
Galois:
http://www-history.mcs.st-and.ac.uk/~history/Mathematicians/Galois.html
Cauchy:
http://www-history.mcs.st-and.ac.uk/~history/Mathematicians/Cauchy.html
Fourier:
http://www-history.mcs.st-and.ac.uk/~history/Mathematicians/Fourier.html
Factoring with areas:
http://faculty.prairiestate.edu/skifowit/htdocs/manip/alg_tile.htm
Here is some practice factoring trinomials
using FOIL.
http://www.mathwizz.com/algebra/help/help3.htm
Here is some practice factoring difference
of squares:
http://www.purplemath.com/modules/specfact.htm
This excellent site give extra practice
in factoring (scroll down past the advertisements):
http://www.saab.org/mathdrills/factor.cgi
