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8 January, 16:22

What is the value of m squared minus 2 m n + n squared for m = negative 2 and n = 4?

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Answers (2)
  1. 8 January, 17:05
    0
    36

    Step-by-step explanation:

    m^2 - 2mn + n^2

    Let m = - 2 and n=4

    (-2) ^2 - 2 (-2) (4) + 4^2

    4 + 16 + 16

    36
  2. 8 January, 19:22
    0
    Step-by-step explanation:

    m = - 2; n = 4

    m² - 2mn + n² = (-2) ² - 2 * (-2) * 4 + 4²

    = 4 + 16 + 16

    = 36

    Hint: (-2) ² = - 2 * - 2 = 4
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