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25-04-2018
Mathematics

contestada

(m^2-m-4)+(m-5)
A)m^2-2m+9
B)m^2+2m-9
C)m^2-2m-9
D)m^2-9

Respuesta :

smitmodi71p7q736 smitmodi71p7q736

25-04-2018

m^2 - m -4 + m - 5

Cancel out m

-4 -5 = -9

m^2 - 9

Answer D

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