algebra

Real numbers x and y have a difference of 16 and a product of 23. Find x^2+y^2.

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  1. larger --- x
    smaller --- y
    x-y = 16
    xy = 23

    x^2 + y^2 = (x - y)^2 + 2xy
    = 16^2 + 46 = 302

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    Reiny
  2. reiny is correct

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