please bantu jawab dongg

Bab Aljabar
Matematika SMP Kelas VIII

(y - xy) / (y √x - xy) - 1
= (y - xy - y√x + xy)/(y√x - xy)
= (y - y√x) / (y√x - xy)
= (y (1 - √x)) / (y(√x - x))
= (1 - √x) / (√x (1 - √x))
= 1/√x
= 1/p