x-y=1 y=x²-6x+5 tentukan hp dari SPLK brikut

> x-y = 1
   y = x - 1

y= x² - 6x + 5

x - 1 = x² - 6x +5
x² - 7x +6 = 0
(x - 1)(x - 6) = 0
x= 1 , x = 6

HP = {1,6}