Respuesta:
x² - 2x - 3 = 0
x × x = x ...
x - 2x = 0 - 3
-x = -3
x = 3
sí te sirve pon corona y sígueme por favor....
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Respuesta:
x² - 2x - 3 = 0
x × x = x ...
x - 2x = 0 - 3
-x = -3
x = 3
sí te sirve pon corona y sígueme por favor....