Question

Solve the polynomial by finding all roots

x^3+3x^2+9x+27 =0

Thank you

I got this so far
X^2(x+3)+3(x+9)...????

Answer 1

x^2 (x + 3) + 9 (x + 3) ... (x^2 + 9) (x + 3) ... (x + 3i) (x - 3i) (x + 3)