Question

completely factor the polynomial 2x^3+8x^2+2x+8

Answer 1

Group them into (2x^3+8x^2)+(2x+8)
then it factors to 2x^2(x+4)+2(x+4)
pull out (x+4), so it is now (2x^2+2)(x+4)
answer is probably 2(x^2+1)(x+4)