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

User Nguthrie
by
7.7k points

2 Answers

5 votes

Answer:

x=-2 & x=2

Explanation:

PLATO

User Sadmansh
by
8.8k points
6 votes

Answer:

x = 2 or x = -2

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

User Michael Dautermann
by
8.2k points

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