Fórmula Cuadrática
Ejercicio 1
\[-4x^2 - 4x + 80=0\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
Ejercicio 2
\[-4x^2 + 5x + 51=0\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
Ejercicio 3
\[-4x^2 + 4x=0\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
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