prau6onammeoG prau6onammeoG

16-01-2017
Mathematics

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Find the product.

(2n + 1)(2n - 1)(n + 5)

4n^3 + 20n2 - n - 5

4n^2 + 19n - 5

4n^3 + 19n^2 - 5

4n^3+ 20n^2 - 2n - 5

Respuesta :

MeganLouise MeganLouise

16-01-2017

(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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