dianeenamorado dianeenamorado

06-05-2020
Mathematics

contestada

What are the solutions to this equation?
7x2 − 28 = 0

Respuesta :

mysticchacha mysticchacha

07-05-2020

Answer:

x = 2 or x = -2

Step-by-step explanation:

7x^2 - 28 = 0

7x^2 = 28

x^2 = 28/7 = 4

x = root(4) or x = -root(4)

x = 2 or x = -2

Answer Link

2023el00288 2023el00288

16-12-2020

Answer:

x=-2 & x=2

Step-by-step explanation:

PLATO

Answer Link

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