Ejercicio 1
\[x^2 = 4\]
\[x=\mathbf{?}\]
Ejercicio 2
\[x^2 + 1 = 17\]
\[x=\mathbf{?}\]
Ejercicio 3
\[x^2 + 1 = \frac{65}{16}\]
\[x=\mathbf{?}\]
Ejercicio 4
\[5(x^2 + 1) = 25\]
\[x=\mathbf{?}\]
Ejercicio 5
\[3(x^2 + 1) = \frac{123}{16}\]
\[x=\mathbf{?}\]
Ejercicio 6
\[( x - 2 ) ( x - 5 ) = 0\]
\[x=\mathbf{?}\]

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