12/x²-81 - 4/x-9 = Tolong dibantu ya!!
Matematika
audhiya
Pertanyaan
12/x²-81 - 4/x-9 =
Tolong dibantu ya!!
Tolong dibantu ya!!
1 Jawaban
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1. Jawaban Anonyme
Bab Aljabar
Matematika SMP Kelas VIII
(12/(x² - 81)) - (4/(x - 9)) = (12/(x² - 81)) - (4 (x + 9)/((x + 9) (x - 9))
= (12 - 4x - 36)/(x² - 81)
= (-24 - 4x)/(x² - 81)