Evaluate
5\left(7x-4\right)\left(x+7\right)
Expand
35x^{2}+225x-140
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245x+35x^{2}-140-20x
Apply the distributive property by multiplying each term of 7x-4 by each term of 35+5x.
225x+35x^{2}-140
Combine 245x and -20x to get 225x.
245x+35x^{2}-140-20x
Apply the distributive property by multiplying each term of 7x-4 by each term of 35+5x.
225x+35x^{2}-140
Combine 245x and -20x to get 225x.
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