Evaluate
6\left(200-x\right)\left(x+100\right)
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120000+600x-6x^{2}
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120000+1200x-600x-6x^{2}
Apply the distributive property by multiplying each term of 200-x by each term of 600+6x.
120000+600x-6x^{2}
Combine 1200x and -600x to get 600x.
120000+1200x-600x-6x^{2}
Apply the distributive property by multiplying each term of 200-x by each term of 600+6x.
120000+600x-6x^{2}
Combine 1200x and -600x to get 600x.
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