Question

if x+2 is factor of x^3+αx^2+11x+6 then fine the value of a I will follow you if you tell me step by step ​

Answer 1

Answer:

x+2=0

x=0-2

x=-2

-2^3+a(-2)^2+11(-2)+6

-8+4a+(-22)+6

-8+4a-22+6

-30-4a+6

-24=-4a

a=6