Suku banyak f(x)= 3^3-14x+a habis dibagi (x-3) nilai a

x-3 = 0
x = 3

f(x)= 3^3-14x+a = 0
f(3) = 3^3 - 14(3) + a = 0
f(3) = 9 - 42 + a = 0
f(3) = -33 + a = 0
f(3) = a = 33

Kalau boleh jadikan jawaban terbaik yah.