Khan/khan-exercises — pull request #130850 by petercollingridge (2013-12-02 15:40:49+00:00)
Title: Create multiplying polynomials 0.5

This is a simpler version of multiplying polynomials with no exponents > 1 (in the question).
For: https://trello.com/c/w15ppIvj/455-multiplying-polynomials-more-basic-version