kaliethedon kaliethedon

10-04-2019
Mathematics

contestada

X2 + 12 = 48
A. 36, -36
B. 6,-6
C. 18,-18

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

10-04-2019

Answer:

B. 6,-6

Step-by-step explanation:

X^2 + 12 = 48

Subtract 12 from each side

X^2 + 12-12 = 48-12

X^2 = 36

Take the square root of each side

sqrt(X^2 ) = sqrt(36)

X = ±6

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