Evaluate
-480.4
Factor
-480.4
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872.8+498-2\times 462.8\times 2
Multiply 436.4 and 2 to get 872.8.
1370.8-2\times 462.8\times 2
Add 872.8 and 498 to get 1370.8.
1370.8-925.6\times 2
Multiply 2 and 462.8 to get 925.6.
1370.8-1851.2
Multiply 925.6 and 2 to get 1851.2.
-480.4
Subtract 1851.2 from 1370.8 to get -480.4.
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