MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
One strategy that will eliminate the guess and check work of factoring trinomials is turning a trinomial into a four term polynomial and then using factoring by grouping. In order to decide how to expand the middle term, use a "diamond puzzle" to find what two values have a product of "a times c" and sum to "b."
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