Akuadrat-6a-7/akuadrat-16=
Jawaban Terkonfirmasi
Bab Persamaan Kuadrat
Matematika SMP Kelas VIII
(a² – 6a – 7) / (a² – 16) = (a² + a – 7a – 7) / ((a²) – 4²)
= (a (a + 1) – 7 (a + 1)) / ((a + 4) (a – 4))
= ((a – 7) (a + 1)) / ((a + 4) (a – 4))