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21-01-2021
Mathematics

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Simplify: (3n^2-7n)+(7n^2+n+1)

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katiehaeun katiehaeun

21-01-2021

Answer: 21n^4 -46n^3 -4n^2 +7n

Step-by-step explanation:

21n^4 +3n^3 +3n^2 -49n^3 -7n^2 +7n =

21n^4 -46n^3 -4n^2 +7n

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