sandra2563 sandra2563

22-03-2017
Mathematics

contestada

divide ( - 3 z 2 – 15z )÷
(
z
+
5
)

Respuesta :

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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