x^3 + 6x^2 + 9x + 2 = 0
(x+2)(x^2+4x+1) = 0
so, x = -2 is one root
use the quadratic formula to find the roots of the quadratic factor
solve the polynomial equation by finding all real roots
thanks again
x^3 + 6x^2 + 9x + 2 = 0
1 answer