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10 March, 23:18

Solve by factoring x squared plus 6X equals - 9

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Answers (2)
  1. 10 March, 23:30
    0
    Step-by-step explanation:

    x²+6x=-9

    x²+6x+9=0

    x²+3x+3x+9=0

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

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

    x=-3,-3

    so x=-3 is a solution.
  2. 10 March, 23:44
    0
    Factoring ...

    x²+6x=-9

    x²+6x+9=0

    (x+3) ²=0

    x=-3

    answer: x=-3
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