Matematika

Pertanyaan

Persamaan Kuadrat 9x²-15x-6=0

1 Jawaban

  • 9x² - 15x - 6 = 0
    ( 9x + 3 )(x - 2) = 0

    9x + 3 = 0                         dan   x - 2 = 0
    9x = -3                                            x = 2
      x = - 3/9
         = - 1/3

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