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17 March, 10:22

Solve d2 + 17d + 72 = 0 by factoring.

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Answers (2)
  1. 17 March, 10:39
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    The answer is (d+8) (d+9) if you just want it factored. but then to solve for d it would be d=-8,-9
  2. 17 March, 13:45
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    D^2 + 17d + 72 = 0

    (d + 8) (d + 9) = 0

    d = - 8, d = - 9
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