Evaluate
1200x_{12}
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1200x_{12}
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1200\left(1+0\times 0\times 15\right)x_{12}
Multiply 100 and 12 to get 1200.
1200\left(1+0\times 15\right)x_{12}
Multiply 0 and 0 to get 0.
1200\left(1+0\right)x_{12}
Multiply 0 and 15 to get 0.
1200\times 1x_{12}
Add 1 and 0 to get 1.
1200x_{12}
Multiply 1200 and 1 to get 1200.
1200\left(1+0\times 0\times 15\right)x_{12}
Multiply 100 and 12 to get 1200.
1200\left(1+0\times 15\right)x_{12}
Multiply 0 and 0 to get 0.
1200\left(1+0\right)x_{12}
Multiply 0 and 15 to get 0.
1200\times 1x_{12}
Add 1 and 0 to get 1.
1200x_{12}
Multiply 1200 and 1 to get 1200.
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