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This specific step when factoring by grouping was a core memory of mine in high school math where I just memorized what to do and didn't understand what was happening. Here's how we can make sense of it. What did you memorize in math but didn't understand?

Howie Hua

100,781 subscribers

15,944 Aufrufe • vor 1 Jahr •via X (Twitter)

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11 Kommentare

Profilbild von Marty Joyce

Marty Joycevor 1 Jahr

Hey Howie. This makes it make a lot more sense. Do u have a video explaining how to come up with the two middle terms? What I was taught was the diamond where the top is product of ax^2 times c and bottom is bx so the two middle terms multiply to top and add to bottom. Only way?

Profilbild von FRANK E ELKINS

FRANK E ELKINSvor 2 Jahren

“Unlock the secrets of reality! Discover how mathematics reveals the hidden world of complete rational abstraction –Discover how Pythagoras’ 'Music of the Spheres' evolves into the current scientific theory known as String Theory.” (Book IV The Cosmic Symphony)

Profilbild von 💙CleanAirBrigade

💙CleanAirBrigadevor 1 Jahr

For whatever reason this made sense to me when it was explained; I might’ve had a good teacher tho

Profilbild von Eric Zaman

Eric Zamanvor 1 Jahr

While I already did know the reason, due to it being a use of the distributive property (which I didn't consider that reason until after high school too), but the series of progressing apple examples is a brilliant way to teach this to students. Thanks for sharing.

Profilbild von Bobson Wong

Bobson Wongvor 1 Jahr

I had a lot of trouble explaining factoring by grouping until someone told me to use the area model! 😀

Profilbild von JonesZilla the Jegna

JonesZilla the Jegnavor 1 Jahr

Or you could say the share a factor of (x+4) so you factored it out. Just like the other terms shared “Apple”

Profilbild von Karen Campe

Karen Campevor 1 Jahr

I literally just showed this explainer to an Alg2 tutoring student, Thanks Howie!

Profilbild von Howie Hua

Howie Huavor 1 Jahr

Thank you for sharing my video, Karen!

Profilbild von Gerry Varty

Gerry Vartyvor 1 Jahr

Speaking of remembering an algorithm with no basis in understanding why... I learned this about 40 years ago...

Profilbild von Tom Kenyon

Tom Kenyonvor 1 Jahr

Where's the explainer for why the 11x became 8x+3x? :>)

Profilbild von Zenab Waqi

Zenab Waqivor 1 Jahr

I really like this! 🥰

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$Here's a guide on how to do this!!! \o/ THIS GUIDE WAS WAAAY OVERDUE, BUT I HOPE IT CAN STILL HELP SOME OF YOU GUYS🙇‍♀️🙇‍♀️ I tried to make it as easy to understand as possible :)$

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