In this series, part of the Math Education Outreach Project, Associate Dean Susann Novalis of the San Francisco State University School of Science helps students prepare for the Entry Level Mathematics Examination and for further study of college-level m athematics. This session continues to look at factoring grouping and factoring strategies. Novalis demonstrates factoring the difference of two squares and factoring a perfect square trinomial. See also vhs, AT # 80430. Susann Novalis.