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-7679999999998
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-7679999999998
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2-\frac{1200\left(120000-400\times 100\right)^{2}}{1}
Multiply 400 and 300 to get 120000.
2-\frac{1200\left(120000-40000\right)^{2}}{1}
Multiply 400 and 100 to get 40000.
2-\frac{1200\times 80000^{2}}{1}
Subtract 40000 from 120000 to get 80000.
2-\frac{1200\times 6400000000}{1}
Calculate 80000 to the power of 2 and get 6400000000.
2-\frac{7680000000000}{1}
Multiply 1200 and 6400000000 to get 7680000000000.
2-7680000000000
Anything divided by one gives itself.
-7679999999998
Subtract 7680000000000 from 2 to get -7679999999998.
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