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Assuming the spaces would have held plus signs...

(0.5n + 5) times 2 is n + 10

(n + 10)(10n + 7) is 10n^2 + 107n + 70

You can either add three to that (+ 73) or multiply it by three

30n^2 + 321n + 210

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9y ago
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Q: What is the product of (0.5n 5)2(10n 7) 3?
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