jessesullivan1012 jessesullivan1012

20-02-2020
Mathematics

contestada

(15 +6d - d^2) + (-5d^2-18 + 6d)
Answer:

Respuesta :

haseebafzal36 haseebafzal36

24-02-2020

Answer:

-6d^2+12d-3

Step-by-step explanation:

(15 +6d - d^2) + (-5d^2-18 + 6d)

=-5d^2-d^2+6d+6d+15-18

=-6d^2+12d-3

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