Matematika

Pertanyaan

apakah hasil bilangan mutlak Dari [x-3]=[x+2]

2 Jawaban

  • |x-3|=|x+2|
    (x-3)^2=(x+2)^2
    x^2-6x+9=x^2+4x+4
    -6x-4x=4-9
    -10x=-5
    x=-5/-10
    x=1/2
    HP={1/2}
  • |x - 3| = |x + 2|
    (x - 3)² - (x + 2)² = 0
    ➡ a² - b² = (a + b)(a - b)
    (2x - 1)(-5) = 0
    x = 1/2

    HP = {1/2}

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