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What is the value of x, when x2 + 5 = 21? A) 2 or -2 B) 4 or -4 C) 5.5 or -5.5 D) 8 or -8
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What is the value of x, when x2 + 5 = 21? A) 2 or -2 B) 4 or -4 C) 5.5 or -5.5 D) 8 or -8

User Visal Rajapakse
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2 Answers

2 votes

Answer:

I'm positive that the

answer is B 8

User Vasily Liaskovsky
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3.4k points
3 votes
X would be equal to 8.
User PawelP
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3.6k points
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