Respuesta :

Answer: (a^3-9a^2+5a+14)*(a+1))/(a+2)

Step-by-step explanation:

Find roots (zeroes) of :       F(a) = a4 - 8a3 - 4a2 + 19a + 14

Polynomial Roots Calculator is a set of methods aimed at finding values of  a  for which   F(a)=0