Evaluate
50\left(20-x\right)\left(x+12\right)
Expand
12000+400x-50x^{2}
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12000-600x+1000x-50x^{2}
Apply the distributive property by multiplying each term of 60+5x by each term of 200-10x.
12000+400x-50x^{2}
Combine -600x and 1000x to get 400x.
12000-600x+1000x-50x^{2}
Apply the distributive property by multiplying each term of 60+5x by each term of 200-10x.
12000+400x-50x^{2}
Combine -600x and 1000x to get 400x.
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