Ejercicio 1
\[x^2 = 4\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 2
\[x^2 = 9\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 3
\[x^2 = 25\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 4
\[x^2 = \frac{9}{16}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 5
\[x^2 = \frac{9}{25}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 6
\[x^2 = \frac{4}{49}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 7
\[x^2 + 1 = \frac{29}{4}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 8
\[x^2 + 1 = \frac{73}{9}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 9
\[x^2 + 1 = 5\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 10
\[4(x^2 + 1) = 53\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 11
\[3(x^2 + 1) = \frac{58}{3}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 12
\[5(x^2 + 1) = \frac{145}{4}\]
\[x=\boxed{\phantom{\rule{2em}{1.2em}}}\]