Respuesta :

Answer:

x = -4.47, 4.47

Explanation:

The given equation is:

[tex]x^2=20[/tex]

Take the square root of both sides

[tex]\begin{gathered} \sqrt{x^2}=\pm\sqrt{20} \\ \\ x=\pm4.47 \\ \\ x=-4.47,\text{ 4.47} \end{gathered}[/tex]

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