How to Factor a Trinomial When a is Not 1 Explained! (AC Method) 

This is the best explanation I found to help with my grandaughter's homework. The teacher's explanation was so confusing

Thanks so much. I have an exam tonight and I was confused until watching your video. You are a lifesaver!

Literally said to myself "it can't be that easy." This helped so much especially with studying for finals!

dude u deserve a nobel prize or sumn this saved me

Thanks I just needed someone to explain it to me again when I wasn't half asleep at 7 in the morning.

Great video, Anthony. I am the only teacher in my department who teaches it this way. Having the benefit of an interactive whiteboard, I color code the steps, which I appreciated in your video. The process has many names, but I refer to it as the AC B method to help students better recall the first few steps. This is my new go-to supplemental video for this topic. Thanks!

I checked out your AC method of factor quadratics with leading coefficients other than one. I was impressed. It was very coherent and pretty easy to follow. It was one of the better videos that I have ever seen. One suggestion for improve is to use a visual model to help students to see these common factors, using a four corner box, with the top right containing the leading term, the lower right containing the last term, and the other two box containing the split terms. Then, have students factor out the common factors to the outside of the box, which will show the final factored quantities. If you had that element, it will reach more students. Keep up the great work. I will tell my fellow math teachers about your channel. Good luck and thank you for the resource,

thank you so much, i’ve been stuck because i got quarantined and this really helped!

You have just taught me something that I have been trying to figure out for years!! Thank you sooooo much!!

I'm relearning math for university and this was helpful for my first assignment. Thank you!

What happens if you CAN pull a GCF on the first step?

What if there is no GCF in step 3? Do I just do 1(a+b)? (a and b are just substitutes for numbers)

Which software do you use to create these videos?

This is a good video. You should do a bunch more. It helps a lot of people.

Finally! I always teach factoring this way.

Good job and thank you for your help. Wish me luck in boosting my E in math.

OMG thank you! I hate the box method, they never remember it properly. I never realized this method involved factoring by grouping. Love your formatting and color coding, truly helps!

you just saved my life

You just saved my homework grade from tomorrow

Like the informal tone and graphics - you have a great start. I have taught factoring this way before. Biggest question is this: CCSS stresses understanding the hows and whys things work, not just doing a process. Does this work? Yes. Does it really help students understand why the process works? Not really. Do I have a better way of doing things that stresses the conceptual side instead of falling into a series of steps? Not really. Many of my videos fell into step-driven methods that I'm trying to get out of. Just trying give some feedback. :) Good luck with the project!

Awesome video. Thank you

Thanks for this dude! I forgot how to factor like this and you made it hella easy.

Very understanding video IT gives a lot OF Help for a student like good job

thanks, forgot how to factor for an upcoming test, only good tutorial i could find

I want to say thank you! This really helped me! God bless you :)

Thanks this factorization method was helpful. How do i solve expressions of the following types 2(x+y)^2-9(x+y)-5 ? i am unable apply the method explained to get the right answer.

very helpful!!!

im in differential equations and had to look this up :')

thanks so much!! you literally saved my grades-

Thank you so muchhh!!!

THE SOUND EFFECTS 💀 (your not nice with it)

I am helping my high school special ed students in their Math II class. Your explanations are so clear. Thanks .

Excellent video

THANK YOU SO MUCH

Easy to follow video. Thank you😊

We call this master product method. It is effective but slower and not as efficient once the routine of effective guess and check has been established.

Amazing I thought I wasn't gonna gets all of these

Why does this method work? We can show it works by looking at the problem backwards, starting with the final factored form. Assume your quadratic trinomial factors into two linear binomial factors, without loss of generality (ax + b)(cx + d). This expands and simplifies to acx^2 + (ad + bc) x + bd. But note that ac*bd = ad*bc , by the commutative property, and ad + bc happens to be the coefficient of the x term. So it is sufficient to find two factors of the product of the first and last coefficient, i.e. ac and bd , that add to the coefficient of the x term. This guarantees factoring over the integers.

it is very good

thanks a bunch

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thanks

skip to 5:21 if you dont want to sit through the whole video

My math teacher uses criss cross method. Are you familiar with this. Can anyone point me in a direction of how to do this?

Can you do one with even numbers? I’m struggling with the even number ones

im confused how he got +2 from -3 and -6 can anyone explain that to me pls?

why does it work like that? I can't seem to think of any proof for this and I don't want to just follow a trick blindly without understanding the fundamentals of it.

Super

goated

ok

Try the vid on 1.5x speed thank me later

this is wack a doodle

Nerds lol

misleading thumbnail, unsolvable problem