Respuesta:
Explicación paso a paso:
(x² -4x+4)- (9-6x+x²)=1
x²-4x+4-9+6x-x²=1
2x+-6=0
2x=6
x=3
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Respuesta:
Explicación paso a paso:
(x² -4x+4)- (9-6x+x²)=1
x²-4x+4-9+6x-x²=1
2x+-6=0
2x=6
x=3