The part of the class which was most graspable to me was the
part about factoring the difference of two of two cubes. I think that because
there is a clear distinct formula for doing this and it doesn’t change it
becomes a very easy part of the class to understand. If I were to design my own
discussion question for the class I would probably ask the students to describe
how someone came up with the formula for factoring the difference of two cubes.
This is an abstract question that needs a bit of research, and it would spur
the discussion between students.
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