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x² -8x -2x +16 = -24
x² -10x +16 +24 = 0
x² -10x +40= 0
A= 1
B= -10
C = 40
[10±√-10² -4×(1)×(40)]/2×(1)
[10±√100-160]/2
[10±√-60]/2
La raíz de un número negativo no existe en el conjunto de números reales..
X no pertenece a los R