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12 January, 21:05

3x^2+12x+12 solve or factor the equation

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Answers (2)
  1. 12 January, 21:12
    0
    3 (x+2) (x+2)

    Step-by-step explanation:

    Given 3x²+12x+12

    We expand the equation

    That is,

    3x²+6x+6x+12

    We add parentheses to factor out

    (3x²+6x) + (6x+12)

    3x (x+2) + 6 (x+2) > Taking out the

    common factors.

    (3x+6) (x+2)

    = 3 (x+2) (x+2)
  2. 12 January, 21:32
    0
    x = - 2 (multiplicity 2).

    Step-by-step explanation:

    3x^2+12x+12 = 0

    3 (x^2 + 4x + 4) = 0

    3 (x + 2) (x + 2) = 0

    x = - 2 (multiplicity 2).

    2 roots - both equal.
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