Respuesta:
d
Explicación paso a paso:
(x+3)(x-3)=27
x^2-3x+3x-9=27
x^2-9-27=0
x^2-36=0
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Respuesta:
d
Explicación paso a paso:
(x+3)(x-3)=27
x^2-3x+3x-9=27
x^2-9-27=0
x^2-36=0