soniyarobinson soniyarobinson

16-03-2020
Mathematics

contestada

10) x²=16
A ±4
B ±8
C 4
D 8

Respuesta :

hanifchoirunnisa hanifchoirunnisa

16-03-2020

x² = 16

x² - 16 = 0

x² - 4² = 0

(x - 4)(x + 4) = 0

x = 4 or x = -4

x = ±4 (A)

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