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20n2+6n-2 (4n + 2)(5n -1)
This problem can be solved by FOILing. First, multiply the first terms to get 20n2
Next, multiply the outside terms to get -4n. Multiplication of the inside terms results in 10n. Combining -4n and 10n (they are like terms) is 6n. Then, multiply the last terms, to get -2. Combining these answers into one equation gives the answer of 20n2+6n-2.
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Earn +20 ptsQ: What is 4n plus 2 times 5n minus one?
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