What are the solutions to this equation? 7x^2 - 28=0

asked Jun 26, 2021 115k views

1 vote

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1 vote

Answer:

2 and -2

Explanation:

7x^2 = 28

x^2 = 28/7 = 4

x =
√(4) = 2 and -2

Peter Lea answered Jun 28, 2021

5.5k points

1 vote

Answer: A. x= -2 and x = 2

Nevermind answered Jul 3, 2021

6.1k points

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