Evaluate
10\left(25-2x\right)\left(x-4\right)
Expand
-20x^{2}+330x-1000
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250x-20x^{2}-1000+80x
Apply the distributive property by multiplying each term of x-4 by each term of 250-20x.
330x-20x^{2}-1000
Combine 250x and 80x to get 330x.
250x-20x^{2}-1000+80x
Apply the distributive property by multiplying each term of x-4 by each term of 250-20x.
330x-20x^{2}-1000
Combine 250x and 80x to get 330x.
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