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28 May, 14:28

81x² + 16y2 = 49

How do you do this

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Answers (1)
  1. 28 May, 16:26
    0
    Answers; you can you a quadratic formula because there is no other way

    Step-by-step explanation:

    It has square as its power so that the reason we need to use quadratic formula.
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