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-83000
Factor
-83000
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40\left(-200\right)-50\times 2100+20\times 1500
Subtract 3000 from 2800 to get -200.
-8000-50\times 2100+20\times 1500
Multiply 40 and -200 to get -8000.
-8000-105000+20\times 1500
Multiply 50 and 2100 to get 105000.
-113000+20\times 1500
Subtract 105000 from -8000 to get -113000.
-113000+30000
Multiply 20 and 1500 to get 30000.
-83000
Add -113000 and 30000 to get -83000.
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