Which is a value of x, when 3x2 4 = 40?

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Mathematics

Description

Which is a value of x, when 3x2 + 4 = 40?

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Explanation & Answer

I assume its 3x^2 +4 = 40

3x^2 = 40 - 4

3x^2 = 36

x^2 = 36/3 =12

x = sqrt (12) and  -sqrt(12)

   = 2sqrt(3) and -2sqrt(3)

Please let me know if you have any questions and best me if you are satisfactory.



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