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9 November, 05:28

Does anyone know how to factor y^2+49?

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Answers (2)
  1. 9 November, 05:46
    0
    Y + 7i y-7i
  2. 9 November, 05:46
    0
    (y + 7i) (y - 7i)

    Step-by-step explanation:

    It cannot be factored using real numbers, but consider

    7i * - 7i

    = - 49i² and i² = - 1

    = 49

    The factoring as a difference of squares to obtain

    y² + 49 = (y + 7i) (y - 7i)
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