Matematika

Pertanyaan

Persamaan |3x-3|=|3x+5|

1 Jawaban

  • |3x-3| = |3x+5|
    (3x-3)² = (3x+5)²
    (3x-3)² - (3x+5)² = 0
    [(3x-3)+(3x+5)][(3x-3)-(3x+5)] = 0
    (6x+2)(-8) = 0
    -48x - 16 = 0
    -48x = 16
    6x = -2
    3x = -1
    x = -1/3

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