Question

Determine if (x+3) is a factor of polynomial 69+11x–x2 +x3

Answer 1

Answer:

(x+3)=0

x= -3

p(x)=69+11x-x2+x3

p(-3)= 69+11(-3)-(-3)2+(-3)3

= 69-33+6-9

= 33

so (x+3) is not a factor of 69+11x-x2+x3