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If (x + 3)2 = 42, what is the approximate positive value of x? 0.48 3.48 5.48 6.48

If (x + 3)2 = 42, what is the approximate positive value of x? 0.48 3.48 5.48 6.48
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5 votes
If (x + 3)2 = 42, what is the approximate positive value of x?

0.48
3.48
5.48
6.48

User Namik
by
8.5k points

2 Answers

6 votes
I just took this exam and the correct answer is 3.48. Good luck! 
User Mark Renouf
by
8.1k points
3 votes
(x+3)^2 =42
x+3 = 6.48
x= 3.48
User Pattrice
by
8.5k points
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