Resposta :
[tex]\sqrt[3]{25^x}=\sqrt{5}\\\\ \sqrt[3]{(5^2)^x}=\sqrt{5}\\\\ \sqrt[3]{5^{2x}}=\sqrt{5}\\\\ 5^{\frac{2x}{3}}=5^{\frac{1}{2}}\\\\ \Longrightarrow \dfrac{2x}{3}=\dfrac{1}{2}\\\\ 4x=3\\\\ \boxed{x=\dfrac{3}{4}}\\\\S=\{\dfrac{3}{4}\}[/tex]