Evaluate
-42
Factor
-42
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49+7-2\times 7^{2}
Multiply 7 and 7 to get 49.
56-2\times 7^{2}
Add 49 and 7 to get 56.
56-2\times 49
Calculate 7 to the power of 2 and get 49.
56-98
Multiply 2 and 49 to get 98.
-42
Subtract 98 from 56 to get -42.
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