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OpenStudy (anonymous):
What is a simpler form of the expression? (2n2 + 5n + 3)(4n – 5)
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OpenStudy (anonymous):
\[ (2n^2 + 5n + 3)(4n - 5)\\ = 4n(2n^2 + 5n + 3) - 5(2n^2 + 5n + 3)\\ = 8n^3 + 20n^2 + 12n - 10n^2 - 25n - 15\\ = 8n^3 + 10n^2 - 13n - 15 \]
OpenStudy (anonymous):
A. 8n^3+10n^2−13n−15 I got this correct on my test.
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