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

Sometimes the easiest, simplest way to liven up a party, sleepover, family gathering or presentation to a class is to perform a magic trick. Most magic tricks require fancy costumes and props, but ...

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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 ...

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