Question

please solve this its urgent​

Answer 1

given p(x)=x3-9x2+6x-a

let p(x)=o

replace x=a

then

p(a)=a3-9a2+6a-a

== a3-9a2+5a =0

Answer 2

Answer:

p(x)=x^3-ax^2+6x-a

p(a)=(a)^3-a(a)^2+6(a)-a

=a^3-a^3+6a-a

=6a-a

=5a