Respuesta :

wegnerkolmp2741o

Answer:

x = ± i sqrt(5/8)

Step-by-step explanation:

8x^2+4=-1

Subtract 4 from each side

8x^2+4-4=-1-4

8x^2 = -5

Divide by 8

8/8x^2=-5/8

x^2 = -5/8

Take the square root of each side

sqrt(x^2) = ±sqrt(-5/8)

x =  ±sqrt(-5/8)

x =  ±sqrt(5/8) sqrt(-1)

x = ± i sqrt(5/8)

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