In this video I work through 68 examples of factoring quadratic expressions when a is not equal to one. The first couple of ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

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Halfway through school vacation, kids who miss factoring polynomials are doing the next best thing: e-mailing each other math tricks. I got the latest one courtesy of Lauren, a soon-to-be ...