sandra2563
sandra2563 sandra2563
  • 22-03-2017
  • Mathematics
contestada

divide ( - 3 z 2 – 15z )÷
(
z
+
5
)

Respuesta :

irspow
irspow irspow
  • 22-03-2017
Factor the numerator to get:

(-3z(z+5))/(z+5)  now you notice that (x+5) cancel out leaving:

-3z
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