Introduction to special products of binomials | Algebra I | Khan Academy
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Sal gives numerous examples of the two special product forms: perfect squares and the difference of two squares.
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Пікірлер: 134
The method he is using is FOIL (First, Outer, Inner, Last)
@lamyaaa5003
9 жыл бұрын
hrw
@HappyPlaysWasTaken
3 жыл бұрын
isnt that literally the exact same thing as the distributive property
@mahibhatt4011
3 жыл бұрын
Ok thanks
Who’s watching from 2020
@Snake101Gaming
3 жыл бұрын
Me
@vicentpabalinas4137
3 жыл бұрын
2021
@SsT-wg3ye
3 жыл бұрын
2021 lol
@komolal-amin5777
3 жыл бұрын
@@SsT-wg3ye 2021 looooool
@b07.bunaocris25
3 жыл бұрын
2021
thanks man our teacher didn't really teach us this and still gave it for homework so thank you
@theoddpirate6695
6 жыл бұрын
Jose A same Actually I wasn’t just listening ( cus we had to design our notebook so I was busy )
@fahadnasser2477
Жыл бұрын
how r u doing now
dude this channel is like the only youtube channel to ever return value to its watchers i hop the tube pays u well khan u deserve every penny and then some
i wish more teachers taught like this. the colors are awesome. its been a long time since i've been in school but this video is great! i wish i had this in school! keep up the good work sir!
@fahadalgharbe3881
2 жыл бұрын
Are you alive?
@whosfredol5194
Жыл бұрын
Oh, hello fellow student... it seems I was only a mere 2 year old when you commented this; I guess schools brings the internet from old of ages back thogethere.
@KokoBhoneMyat
Жыл бұрын
@@whosfredol5194 u 13?
@the_rusty_potato2643
10 ай бұрын
No because 12+2 = 14. Not thirteen.
Thank u so much U explained what a teacher explains in like a month
My teacher told me to watch this...
@lancearsenio4763
3 жыл бұрын
Same
@wrestler.ashwinkumar44
3 жыл бұрын
Hsjdjd ki f
What my teacher teached us: 1+1=2 Vs What coms in exam: (a+b)(a+b)
Your use of colour is, in my mind, what stands out between your tutorials and those of others. This video is a good example of what works, though there could still be more colour used in a way that maintained the sensibility, and improved the understanding of students of the material.
Thank you so much. I am currently going to an online college, and I haven't taken Algebra in years, watching you go through the problems enables me to better understand what it is that i am doing. thanks again =)
Thank you Sir, this is very helpful for my algebra class
you're genuinely so helpful, thank you
2021, wassup
Wow thank you soo much this was our next lesson and since now that I learned it in advance I probably wont have any problems with catching up in my class 😁😁 thanks so much
Taught me more than my teacher
You're awesome. Thanks!
thanks man
Very easy my friend helped out a lot
Thanks for the tip
FOIL !
I love FOIL METHOD
Very educational! thanks! :)
thanks khan academy
i love you Sal, ur my hero
Is this for 1st year highschool?
In the beginning of the video i was like hold on!! But then i remembered i could pause the video lol XD
Good thing my teacher had your website on the whiteboard for several weeks...
2bx or not 2bx, that is the question! Nice video, brings back memories I forgot.
thank you bro for teaching me when my math teacher lectured us on her cats
@talyahany1751
5 ай бұрын
Lol😂
Thank god i thought i had no chance of learning this
@grinchparody660
5 жыл бұрын
it the easiest thing ever
thanks you have more information
Oc Dawg XB!!!🎶🎵😂😂😂
@renzmeepro
6 жыл бұрын
KooKeu :3 lol
@zageous
6 жыл бұрын
Princess Thea MABANGIS!
@catherineanntolentino4949
5 жыл бұрын
AYAYAYAYA ang pag ibig
@samsunguser3148
5 жыл бұрын
Sa Shopeeeeeeee.... Ang damiiiii....Bumili...
@frozenfishtv7992
5 жыл бұрын
PANO MO NASABI!!!!!!!!
Where's the video on Factor Special Products (Basic)? Example: x2−d=(x+6)(x+c)
this video of 10 minutes is better than my professor of math like suscribe.
thanks keep sharing your knowledge there are many people who needs your hlp keep doing it god bless
although the same result, 2(3x)(-7) = -42x, i was taught 2[(3x)(-7)] = -42x.
how about this cab you solve it (2a-7)(2a-7)
@humzatariq1604
7 жыл бұрын
2a(2a-7) = 4a^2 - 14a -7(2a-7) = -14a + 49 Therefore; 4a^2 - 14a -14a +49 (or 7^2) = 4a^2 -28a + 7^2
Its just like polynomials but instead its binomials which you need to multiply?
there are easier methods especially for special products but anyways, thanks!
Now i can pass the exam
👍
How about this.... (3-4m)² , (8-3x) (8+3x) , and (2t-1) (t+5) ?? PS: Can you solve this.. pretty please.??
Still don't get it but I'll try
Aww
Hola
Or ... Step 1 : Square of its first term . Step 2 : Product of its terms. Step 3 : Square of its last term. Simple .
@Pikachu-ho8rp
6 жыл бұрын
nope. square the first term. product of both terms TIMES TWO. square the last term.
@hexagon1421
6 жыл бұрын
You mean FOIL?
First Outer Inner Last
FOIL METHOD AND VERTICAL METHOD AND HORIZONTAL METHOD...
You cn also just 9x^2+2(x)(9)+9^2
Dc
@kabooski First Out In Last
I need a vid about special products of polynomials😭
@zapxcero
6 жыл бұрын
it's on the website khanacademy search for it
2021 gang
@_cheya._
2 жыл бұрын
2022 gang
ı am turkey
@mariam-cc6be
3 жыл бұрын
K.
Why do this and not x² + 81?
hi nerds
Good Day ! Can I ask permission to use this video on my module content. I wanted to attach the link so that my student can access it and watch for them to have additional examples and explanations. Hope you can notice my comment. Thank you and God Bless!
sal is on tv
You can use punnet square method for the first problem.
My teacher speaks math... how?
I am
From2022
how do you do [x+5] [x-7]
foil method will do
help me please ..please how to solve this? (a-11)² (2b+6)² (3a²b-2b)² (3/2mn+2)² [(x+1)²-5)]²
FOIL FTW!
what if its 20pm + 4n² + 20pm will it be 44 n²pm²??
F.O.I.L
joke lang
WHAT THE HELL FOIL -_-
You could literally put it in a punnet square lol
@spektree8448
4 жыл бұрын
yeah then just add
Stop repeating words bro :3
1:48 it’s actually 81x^2
The last example you did was too fast and didn't make sense [the (a+b)(a-b)]
@diya4822
5 жыл бұрын
FOIL method
How come the FOIL method wasn't used?
@Mark-pd8eb
6 жыл бұрын
Allison Smith He did. He just went STEP BY STEP to further clarify what your multiplying.
how do you do this? 4(x+6)(x−5)
@squareball7017
8 жыл бұрын
x2 + 1x - 30 x2 = x squared
@someoneelsewhere9519
7 жыл бұрын
Joker 4life associative property. distribute the 4 among the first binomial, then distribute that amongst the second binomial
@humzatariq1604
7 жыл бұрын
4(x+6) (4x+24) (x-5) 4x(x-5) = 4x^2 -20x 24(x-5) 24x - 120 = 4x^2 - 20x +24x - 120 = 4x^2 +4x -120
Welcome to college😂
@forthelols552
5 жыл бұрын
Hey Whatssup! This is grade 10 bud
@diya4822
5 жыл бұрын
@@forthelols552 Whoops! Seventh grade for me 😏😂
@reallynigga2049
5 жыл бұрын
For the lols... I'm only grade 8😂
@grinchparody660
5 жыл бұрын
u learn this in 8th grade
this is literally just the FOIL method in a different name
Wtf is Abab method?!?