Question 878100
Factor the Polynomial x^3+2x^2+4x+8
:
group this and factor out the common terms
(x^2 + 2x^2) + (4x + 8) 
Factor out x^2 and 4
x^2(x + 2) + 4(x + 2)
Factor out (x+2)
(x + 2)(x^2 + 4