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Targoviste44id

[tex]\it x^2+6^2=10^2 \Rightarrow x^2+36=100|_{-36} \Rightarrow x^2=64 \Rightarrow \sqrt{x^2}=\sqrt{100}\Rightarrow \\ \\ |x|=8\Rightarrow x=\pm8[/tex]

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