JayannaHamilton7796 JayannaHamilton7796

24-04-2018
Mathematics

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The product of two consecutive even integers is 840 find these numbers

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wolf1728 wolf1728

24-04-2018

Integers are 2n and 2n +2
2n * (2n + 2) = 840
4n^2 + 4n -840 = 0
Solving by quadratic formula:
n = 14 and n+2 = 16
Therefore the integers (2*n and 2*n+2) are
28 and 30

check:
28 * 30 = 840

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