Respuesta :

apologiabiology
positive=+
negative=-
(+)(+)=(+)
(-)(-)=(+)
(+)(-)=(-)
(-)(+)=(-)

[tex] \frac{(+)}{(+)} [/tex]=(+)
[tex] \frac{(-)}{(-)} [/tex]=(+)
[tex] \frac{(+)}{(-)} [/tex]=(-)
[tex] \frac{(-)}{(+)} [/tex]=(-)

that is regarding the signs

the rest is the same
and any integer times 0=0


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