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

User Mironych
by
7.1k points

2 Answers

1 vote

Answer:

2 and -2

Explanation:

7x^2 = 28

x^2 = 28/7 = 4

x =
√(4) = 2 and -2

User Peter Lea
by
7.4k points
1 vote

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

User Nevermind
by
8.7k points
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