Evaluate
-1040
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-1040
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10+21\left(-3\left(-1+7+3\right)-27+4\right)
Subtract 2 from 1 to get -1.
10+21\left(-3\left(6+3\right)-27+4\right)
Add -1 and 7 to get 6.
10+21\left(-3\times 9-27+4\right)
Add 6 and 3 to get 9.
10+21\left(-27-27+4\right)
Multiply -3 and 9 to get -27.
10+21\left(-54+4\right)
Subtract 27 from -27 to get -54.
10+21\left(-50\right)
Add -54 and 4 to get -50.
10-1050
Multiply 21 and -50 to get -1050.
-1040
Subtract 1050 from 10 to get -1040.
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