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9 September, 21:42

Solve 3x^2 = - 12x - 15.

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Answers (2)
  1. 9 September, 22:02
    0
    -2+i, - 2-i are your two answers, you have to move everything to one side and solve
  2. 9 September, 22:04
    0
    3x^2+12x+15=0

    Then divide by 3 to get the x by itself.

    x^2+4x+5=0

    Factor to (x+5) (x-1) and solve for the two values of x.
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