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se requiere que ambos tengas el mismo sentido, ambos positivos, ambos negativos
(-)(-) >0
(+)(+) >0
Intervalo solución
(-2,-∞) S1
Intervalo solución
(-∞,-5) S2
Solucion = S1 U S2
(-∞,-5) U (-2,-∞)
Espero te sriva