Question

if a polynomial p(x)=x²+12x+27 is divisible by (x+a) then find the value of a..​

Answer 1

Answer:

p(x)=x^2+12x+27

x+a=0

x= -a

p(-a)=(-a)^2+12(a)+27=0

p(-a)=a+12a+27=0

p(-a)=13a+27=0

13a=-27

a= -27/13

a= -2.07