Question

if x = -1/3 is a zero of a polynomial .p(x)= 27 x³ -ax²-x+3, then find the value of a.

Answer 1

27 (1/3)^3- a(1/3)^2 + (1/3)+ 3= 0
-1-a/9+1/3+3=0
(a+3)/3=-2
a/3=-5
a=-15

Answer 2

Answer:

the correct answer is -15