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13 April, 13:34

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

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  1. 13 April, 15:50
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    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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