August 2018 1 12 Report

ECUACIONES CUADRATICAS MEDIANTE EL MÉTODO DE COMPLETAR UN TRINOMIO CUADRADO PERFESTO.

A)9x^2=9x-2

B)4a^2-9=9a

C)10n^2+21n+9=0

D)c^2-2c-3=0

AYUDA XFA ME CONFUNDO :).GRACIAS.


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