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14 September, 11:35

Simplify the radical expression (8+sqrt 11) (8-sqrt 11)

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  1. 14 September, 11:44
    0
    Foil, and should get 64-11 which equals 53.
  2. 14 September, 11:49
    0
    361 - q^2 r^2 s^2 here you go! simplifyed
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