The scale for the second values is 56/8 = 7
C = 3 x 7 = 21
C= 21
(2n+1)(2n-1)(n+5)
=(4n^2+2n-2n-1)(n+5)
=(4n^2-1)(n+5)
=4n^3-n+20n^2-5
4n^3+20n^2-n-5
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to solve for
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to solve for
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