hayden9 hayden9

26-08-2016
Mathematics

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How to factor x^2-8x+16

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dalendrk dalendrk

26-08-2016

x² - 8x + 16 = x² - 2x · 4 + 4² = (x - 4)² = (x - 4)(x - 4)

Used: a² - 2ab + b² = (a - b)²

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