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11-07-2015
Mathematics

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Simplify the expression below. 6n^2 - 5n^2 + 7n^2 6n^2 - 5n^2 = 1n^2 + 7n^2 =8n^2 Is this right?

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11-07-2015

[tex]6n^2-5n^2+7n^2= \\ (6-5+7)n^2= \\ 8n^2[/tex]

Yes, it's right.

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good job