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The sum 2n3 + 4n2 - 7 and -n3 + 8n - 9

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asked Feb 8, 2017 103k views

2 votes

The sum 2n3 + 4n2 - 7 and -n3 + 8n - 9

Mathematics
high-school

Sourabh Kumbhar asked

by Sourabh Kumbhar

8.3k points

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1 Answer

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(2n³ + 4n² - 7) + (-n³ + 8n - 9)
(2n³ - n³) + 4n² + 8n + (-7 - 9)
n³ + 4n² + 8n - 16

BjarkeCK answered Feb 13, 2017

by BjarkeCK

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The sum 2n3 + 4n2 - 7 and -n3 + 8n - 9

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