Lim x->6. X^2-4x-12=x^2-7x+6

jawab

limit(x→6)  (x² - 4x -12)/(x² -7x + 6)

limit(x→6) (x - 6)(x + 2) / (x - 6)(x - 1)

limit (x→6) (x+ 2)/(x - 1)
x= 6 ,limit = (6+2)/(6 -1) = 8/5