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19-11-2018
Mathematics

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What is the value of x in the equation 25x^2 = 16?

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wegnerkolmp2741o wegnerkolmp2741o

19-11-2018

25x^2 = 16

divide each side by 25

x^2 = 16/25

take the square root of each side

sqrt (x^2) = +- sqrt(16/25)

x = +- sqrt(16)/sqrt(25)

x = +- 4/5

x = 4/5, - 4/5

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