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23 September, 01:14

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

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  1. 23 September, 01:35
    0
    (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
  2. 23 September, 01:39
    0
    7k•7k-7•6k+7•8k-8•6=

    49k^2 - 42k+56k-48=

    49k^2 - 14k-48
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