jacypauls04 jacypauls04

21-11-2019
Mathematics

contestada

Solve this using square roots and show your work please
4x^2-256=0

Respuesta :

jimrgrant1 jimrgrant1

21-11-2019

Answer:

x = ± 8

Step-by-step explanation:

Given

4x² - 256 = 0 ( add 256 to both sides )

4x² = 256 ( divide both sides by 4 )

x² = 64 ( take the square root of both sides )

x = ± [tex]\sqrt{64}[/tex] = ± 8

Solutions are x = - 8, x = 8

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