Matematika

Pertanyaan

persamaan kuadrat cara memfaktorkan
X2+7x-18=0

1 Jawaban

  • x² + 7x - 18 = 0
    x² - 2x + 9x - 18 = 0
    x(x - 2) + 9(x - 2) = 0
    (x + 9)(x - 2) = 0

    x + 9 = 0
    x = -9

    x - 2 = 0
    x = 2

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