lslig29
lslig29
24-01-2017
Mathematics
contestada
n(2n+1)-(n-6)=2n(n+1)+10
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ConfusedGiraffe
ConfusedGiraffe
24-01-2017
n = -2. Is that what you're trying to figure out?
Answer Link
bcalle
bcalle
24-01-2017
2n^2 + n -n + 6 = 2n^2 + 2n + 10
6 = 2n + 10
-4 = 2n
-2 = n
Answer Link
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