Evaluate
10\left(74-x\right)\left(x-40\right)
Expand
-10x^{2}+1140x-29600
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-10x^{2}+740x+400x-29600
Apply the distributive property by multiplying each term of x-40 by each term of -10x+740.
-10x^{2}+1140x-29600
Combine 740x and 400x to get 1140x.
-10x^{2}+740x+400x-29600
Apply the distributive property by multiplying each term of x-40 by each term of -10x+740.
-10x^{2}+1140x-29600
Combine 740x and 400x to get 1140x.
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