Polynomial identities introduction | Algebra 2 | Khan Academy

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Polynomial identities are equations that are true for all possible values of the variable. For example, x²+2x+1=(x+1)² is an identity. This introduction video gives more examples of identities and discusses how we prove an equation is an identity.

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This man carried me through most of my math classes lol

maxkowtko
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What street does he live on with all these math questions?

alext
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Khan academy, I’m just a new subscriber and I already downloaded khan app on my laptop. I’m very grateful for the video you provided for us. May Almighty God continue to bless you and more knowledge to teach us . Thanks

Barowiczkrzytina
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This dude just won the “Princesa de Asturias” award. Congratulations to you, Khan Academy!

itizjuan
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"If someone walked up to you on the street"

flapcow
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I just don't get why we have to do this stuff, i get its for critical thinking but still.

GuardsOfNohr
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"so if someone walked to you in the street and said m3-1" i dont think thats normal day to day convos

khalifamohammed
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how come you don't use the symbol for identities instead of the = ?

teclasicbaldi
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When I am using smoothdraw with black screen for teaching and recording with filmora screen recorder the cursor is not showing after exporting or completion preview of the video..pls help

Gtuwala