Ilsem24 Ilsem24

22-04-2017
Mathematics

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Multiply (7r+3)(8r-2)

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Аноним Аноним

22-04-2017

(7r+3)(8r-2) = 7r(8r-2)+3(8r-2) = 56r^2-`14r + 24r-6
=56r^2+10r-6

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