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What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2
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What is the coefficient of n^2 in the sum of -5^4+4n^2-n+5 and 7n^4-5n^3-9n^2+3n+2

User Luu
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hello :
-5^4+4n^2-n+5 : the coefficient of n^2 is : 4
7n^4-5n^3-9n^2+3n+2 : he coefficient of n^2 is :-9
User Jamseernj
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