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Example 4: Factoring quadratics as a perfect square of a difference: (a-b)^2 | Khan Academy

481,613 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 4:50 / 4:54

Speech Rate:

  • 148 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

divisible

/dəˈvizəb(ə)l/

adjective

capable of being divided.

squared

/skwerd/

adjective verb

marked out in squares. To multiply a number by itself, e.g. 2x2 or 6x6.

negative

/ˈneɡədiv/

adjective exclamation noun verb

Being harmful, unwanted or unhelpful. no. In grammar, containing words such as 'no' or 'not'. refuse to accept.

perfect
adjective noun verb

So good it cannot be improved. perfect tense. To do something so well, it cannot be done better.

carefully

/ˈkerfəlē/

adverb

In a manner that involves focus and care.

coefficient

/ˌkōəˈfiSHənt/

adjective noun

Number by which another number is multiplied. numerical or constant quantity placed before and multiplying variable in algebraic expression.

something

/ˈsəmˌTHiNG/

adverb pronoun

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

leading

/ˈlēdiNG/

adjective noun verb

Playing the main part in a play or movie. guidance. To be at the front of a race or game.

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