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Subtract: n+54n2+20n−n−54n2+20n

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HUYITIANANDSHENYUE27GO

Answer:

>>> 40n

Step-by-step explanation:

n + 54n^2 + 20n - n - 54n^2 + 20n

  • Remove n & - n

54n^2 + 20n - 54n^2 + 20n

  • 54n^2 & 54n^2

20n + 20n

  • Add 20n + 20n = 40n

= 40n

hope its help

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