Answered

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Solve the following equation for x.

x2−47=17
List your answers separated by a comma, not using a ± sign and do not include x= in your answer.
Question 2 options:

3, 5

-9, 9

-8, 8

-30, 0

Sagot :

Hrishii

Answer:

-8, 8

Step-by-step explanation:

[tex] {x}^{2} - 47 = 17 \\ \\ {x}^{2} = 17 + 47 \\ \\ {x}^{2} = 64 \\ \\ x = \pm\sqrt{64} \\ \\ x = \pm \: 8 \\ \\ x = - 8, \: \: 8[/tex]

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