I’m doing something that I should have done a long time ago: collecting a series of posts into one single post. The following links comprised my series on getting students to discover the formula for factoring .

Part 1: A numerical way of discovering the formula for .

Part 2: A geometric way of discovering the formula for .

Part 3: Pedagogical thoughts on the importance of students discovering the formula for .

Part 4: A geometric way of discovering the formula for .

Part 5: Guiding students to the formula for .

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*Posted by John Quintanilla on August 27, 2016*

https://meangreenmath.com/2016/08/27/difference-of-two-powers-index/