Adding rational expression: unlike denominators | High School Math | Khan Academy

preview_player
Показать описание

Sal rewrites (5x)/(2x-3)+(-4x²)(3x+1) as (-8x³+27x²+5x)/(2x-3)(3x+1).

High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it.

For free. For everyone. Forever. #YouCanLearnAnything

Рекомендации по теме
Комментарии
Автор

I have a math test in 2 hours thank you so much 🙏🏽🙏🏽

josh_
Автор

Why did you not multiply the denominators in the last?

carlpepino
Автор

Good and Nice explanation Thanks for the video

fatumaahmed
Автор

What if the denominator is not simplified? What to do?

Hannah-vhfs
Автор

who is this teacher? He needs his own YouTube channel so that I can re-watch them.

queenapple
Автор

Why is 15x squared? I don't get that part.

kristinwhitbord
Автор

( 2x - 3 ) (LCD) ( 3x + 1 ) = 6x^2 - 3 ???

Joshkiel_