Maniiwatson Maniiwatson

17-02-2021
Mathematics

contestada

Find the sum and express it in simplest form.
(-7n2 - 8n - 8) + (-n2 + 9n + 9

Respuesta :

mnkeitz mnkeitz

17-02-2021

only the coefficients change, not the exponents when adding
-8n^2 + n + 1

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