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04-01-2018
Mathematics

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What is the answer to (7k+8)(7k-6)

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Аноним Аноним

04-01-2018

(7k+8)(7k-6)
=49k²+56k-42k-48
=49k²-12k-48 This is the answer if you want it expanded

K=(-8/7) , (6/7) answer if the equation is equal to 0

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04-01-2018

7k•7k-7•6k+7•8k-8•6=
49k^2 -42k+56k-48=
49k^2 -14k-48

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