Question

for what value k is the polynomial p x =x^3+3x^2-kx divisible by (x+3)

Answer 1

Answer:

The zero of the polynomial X+3 is -3

p(-3)=> (-3)^3 + 3(-3)^2 -k(-3) = 0

=> -27 + 27 + 3k = 0

=> k = 0/3

=> k = 0