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6 September, 16:33

What value of c makes the polynomial below a perfect square? 4x2 + 12x + c?

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Answers (2)
  1. 6 September, 19:11
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    Blessesmom1 is correct C would equal 9
  2. 6 September, 19:59
    0
    This is what we know:4x^2 + 12x + c = (2x + k) ^2

    4x^2 + 12x + c = 4x^2 + 2kx + 2kx + k^2

    c=9
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