^5log (x^2 + 2x -3)= ^5log (6x+18)
Matematika
nia1192
Pertanyaan
^5log (x^2 + 2x -3)= ^5log (6x+18)
1 Jawaban
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1. Jawaban Anonyme
⁵log (x² + 2x - 3) = ⁵log (6x + 18)
x² + 2x - 3 = 6x + 18
x² - 4x - 21 = 0
(x - 7)(x + 3) = 0
x = 7 atau x = -3
Nilai x yg memenuhi :
x = 7