Evaluate
-613
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-613
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\frac{143-37^{2}}{2}
Add 100 and 43 to get 143.
\frac{143-1369}{2}
Calculate 37 to the power of 2 and get 1369.
\frac{-1226}{2}
Subtract 1369 from 143 to get -1226.
-613
Divide -1226 by 2 to get -613.
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