elimachine03 elimachine03

01-03-2018
Mathematics

contestada

What are the solutions to the equation x² = 256?

Respuesta :

jcherry99 jcherry99

01-03-2018

x = 16
x = - 16

You could do it this way
x^2 - 256 = 0
(x - 16)(x + 16) = 0
x - 16 = 0
x = 16

x + 16 = 0
x = - 16

Answer Link

Banabanana Banabanana

01-03-2018

x² = 256
x = ±√256
x = ±16

the solutions are x = -16 and x = 16

Answer Link

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