integrating with partial fractions: how to factor difficult denominators (KristaKingMath)

► My Integrals course: https://www.kristakingmath.com/integr...

In this video we'll learn how to factor a complicated denominator in order to get a function ready for integration with partial fractions. Sometimes we'll be able to pull out the greatest common factor (GCF), and sometimes the denominator will be the sum of cubes or the difference of cubes. Or sometimes we might be able to use substitution or grouping to factor the denominator. The example we work through will be factorable by grouping, and then we'll be able to use partial fractions to integrate the function.

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Hi, I’m Krista! I make math courses to keep you from banging your head against the wall. ;)

Math class was always so frustrating for me. I’d go to a class, spend hours on homework, and three days later have an “Ah-ha!” moment about how the problems worked that could have slashed my homework time in half. I’d think, “WHY didn’t my teacher just tell me this in the first place?!”

So I started tutoring to keep other people out of the same aggravating, time-sucking cycle. Since then, I’ve recorded tons of videos and written out cheat-sheet style notes and formula sheets to help every math student—from basic middle school classes to advanced college calculus—figure out what’s going on, understand the important concepts, and pass their classes, once and for all. Interested in getting help? Learn more here: http://www.kristakingmath.com

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