Add and Subtract Rational Expressions Step by Step

👉In this video I will show you how to add and subtract rational expressions with a common denominator and by finding the common denominator.





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[bmw]

I think you made a minor mistake with the first one when you multiply the negative with x and +2 wouldn’t the end result be x+1-x-2?

[eliza]

You can explain math so good that I understand it better. Been watching you since I was in High School and now that I’m in college, I recommended you to my sister and so far she’s enjoying math bc of your tutorials

[flyboy]

I don’t think our maths teachers explain it badly, it just that in a class environment, it’s hard to keep focused and motivated

[ableballon]

Hello Brian, thanks a lot for making this video. When you factored out -2x^2 + 3x - 1 with the negative sign, you forgot to write the ^2 on 2x. You wrote -(2x + 3x -1). It’s -(2x^2+3x-1).

[reyn_arts]

I wish I have him as my teacher. He saves my grade and explain lessons which I understand easily

[Chris-sbpb]

U don’t know how much u save my grades man, I have a quiz on Friday worth 60 percent of my grades and this is Really helping

[MinecraftAZZBOY]

You explain the steps a lot better than my professor. Everything that is confusing, you make it seem really easy to understand.

[fett]

I have been taking classes online for college and you have helped me get through so many issues!!!! PLEASE DONT EVER STOP DOING YOUR VIDEOS

[maliceissuperfuckingcool]

You look scarily like my doctor- kind of freaking me out but your really helping me with my math so thank you!

[GimbertLane]

I think you should have subtracted 2 in the first example

[noteman]

You are single-handedly saving me from failing algebra 2 honors

[hamisizowange]

get this guy to a million subs, he saved my life so many times

[imnottjonny]

question for the first problem you did. When you distributed you didn't put a negative for the 2 so -x-2. why is that I'm a bit confused there

[rachellegallo]

I think the +2 in the 1st equation should be -2 if we multiply - to +..

[KosherPorky]

Was really confused on how to do these, thanks

[milanpatels]

Hello there, I am bit confused with 3rd Question - After you found common denominator x + 1, x +2, why did you not multiply Numerator 5x - 1 with x + 2, like you did on Right side of equation with 2x ?

[jeremymagz]

For the third problem, how did you come up with the denominator (x+2)(x+1)? Can you please explain how you "factored" to come up with that LCD?

[EazyE_]

Ty for helping! I’m pretty good at math but I rarely do I get stuck sometimes. My teacher sometimes doesn’t explain things well/properly. Ty for helping.🙏🏼

[hughmanatee]

I'm convinced it's better to just multiply the denominators and simplify from there.
LCD just isn't worth it when it comes to complex rational expressions.
You'll get the same end result (remember to simplify) and suffer less of a headache.

[graedencolhoun]

🙏 Thank You, I’m so greatful for this channel