Evaluate
2\left(500-x\right)\left(x+100\right)
Expand
100000+800x-2x^{2}
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100000-200x+1000x-2x^{2}
Apply the distributive property by multiplying each term of 100+x by each term of 1000-2x.
100000+800x-2x^{2}
Combine -200x and 1000x to get 800x.
100000-200x+1000x-2x^{2}
Apply the distributive property by multiplying each term of 100+x by each term of 1000-2x.
100000+800x-2x^{2}
Combine -200x and 1000x to get 800x.
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