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23 March, 04:30

If a=3 and b = - 2, what is the value of a2 + 3ab - b2?

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Answers (1)
  1. 23 March, 04:52
    0
    -13

    Step-by-step explanation:

    a^2 + 3ab - b^2?

    Plug in a=3 and b = - 2

    a^2 + 3ab - b^2

    = (3) ^2 + 3 (3) (-2) - (-2) ^2

    = 9 - 18 - 4

    = - 13
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