lim x mendekati tak hingga 3x²-2x-16 per x-4 , tolong beserta cara kerjanya

Kelas 11 Matematika
Bab Limit

lim (3x² - 2x - 16)/(x - 4)
x→~

= lim (3x²/x² - 2x/x² - 16/x²)/(x/x² - 4/x²)
...x→~

= lim (3 - 2/~ - 16/~²)/(1/~ - 4/x²)
...x→~

= (3 - 0 - 0)/(0 - 0)
= ~