daniwinchester27 daniwinchester27

13-11-2018
Mathematics

contestada

Solve by square root method:
2x^2 - 10 = 132

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

13-11-2018

2x^2 - 10 = 132

add 10 to each side

2x^2 = 142

divide by 2

x^2 = 71

take the square root of each side

x = +- sqrt (71)

x =sqrt(71), -sqrt(71)

Answer Link

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