hayden9
hayden9
26-08-2016
Mathematics
contestada
How to factor x^2-8x+16
Respuesta :
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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