giamanaaaaayaaaa gangerti

lim x→4 , 3 - √3x - 3 / x²+x-20
lim x→4 , 3 - √3(4) - 3 / (4)²+(4)-20
lim x→4 , 3 - √12 - 3 / 16+4-20
lim x→4 , 3 - √9 / 20-20
lim x→4 , 3 - 3 / 20-20
lim x→4 , 0