multiply or divide rational expressions

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Uploaded by on Feb 13, 2007

multiply or divide rational expressions

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Education

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Uploader Comments (robichaudd)

  • when you cancel out can you only cancel things that are diagonal from eachother?

  • @LooopQ They don't have to be diagonal, but they DO have to be in opposite positions in a fraction - one from a numerator and one from a denominator.

  • how would you do a^2-12a+35 / 5- 4 divided by (a+7)

  • Sorry, no time for new problems, I only answer followup questions to the posted problem.

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  • i dont know how to factor:(

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All Comments (27)

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  • Thanks, helped a lot.

  • Thumbs up if you searched :Adding Rational Expressions Algebra and suddenly clicked here

  • I just wanted to thank you for making this video. I missed class today, and I was able to get the concept just by watching the first problem.

  • ur a big help for my chapter 10/11 summary. i forgot how to do this

  • @LevitatingDuck Look at your denominators when everything is factored out. Then what ever number would make your denominator equal zero is what your restrictions are. If your restriction is one of your final answers, you do not include it because it is "restricted".

  • okay, I knew how to do all of this, but I was looking for finding restrictions. Such as x (cannot equal) 0, that's for a monomial.

  • This video is very helpful! Thanks!

  • this is really helpful i could never understand what the book said untill u explained it :)

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