Respuesta :

ChillMuse

[tex]x^{2} -8=-1[/tex]

[tex]x^{2} = -1 + 8[/tex]

[tex]x^{2} = 7[/tex]

x = ±[tex]\sqrt{7}[/tex]

wegnerkolmp2741o

Answer:

x = ±sqrt(7)

Step-by-step explanation:

x^2−8=−1

Add 8 to each side

x^2−8+8=−1+8

x^2 = 7

Take the square root of each side

sqrt(x^2) = ±sqrt(7)

x = ±sqrt(7)