autumncoloredleaves autumncoloredleaves

12-12-2018
Mathematics

contestada

Hi! I just need some help with this question.

Hi I just need some help with this question class=

Respuesta :

jamesphantos11 jamesphantos11

12-12-2018

Answer:

D. 18m-145

Step-by-step explanation:

(M+8)(m-8) is just m^2-64. So (m-9)^2 is m^2-18m+81. So m^2-64-m^2+18m-81 is the answer. We can reduce into -64+18m-81 or 18m-145.

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