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Kobotan [32]
3 years ago
12

15n^2 - 4n + ( -2n+n )

Mathematics
1 answer:
jonny [76]3 years ago
8 0
The answer is :
15n^2-5n
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In the right triangle of the length of the hypotenuse c and the lengths of two legs a and b

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In the given figure

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