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Kvadrer toleddet størrelse på formen (ax+b)²

Vi udvider det hele kvadrat (7x+10)² til 49x^2+140x+100. Lavet af Sal Khan og Montereys Institut for teknologi og undervisning.

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Ingen opslag endnu.
Forstår du engelsk? Klik her for at se flere diskussioner på Khan Academys engelske side.

Video udskrift

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