Matematika

Pertanyaan

(x-3)²=(x-2)²-5tolong di jawab

1 Jawaban

  • (x - 3)² = (x - 2)² - 5
    x² - 6x + 9 = x² - 4x + 4 - 5
    x² - 6x + 9 = x² - 4x - 1
    x² - 6x - x² + 4x = -1 - 9
    -6x + 4x = -10
    -2x = -10
    2x = 10
    x = 10 ÷ 2
    x = 5

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