melvarosales24 melvarosales24

30-03-2020
Mathematics

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Sum of 8n-n^2+12 and 7-n^2-10n

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fayemioluwatomisin fayemioluwatomisin

30-03-2020

Answer:-2n^2-2n+19

Step-by-step explanation:

To find the sum of 8n-n^2+12 and 7-n^2-10n

We collect like terms

-n^2-n^2+8n-10n+12+7

-2n^2-2n+19

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