Question 185466
I'm assuming that you want to factor.



{{{x^3+ax+3a+3x^2}}} Start with the given expression



{{{x^3+3x^2+ax+3a}}} Rearrange the terms.



{{{(x^3+3x^2)+(ax+3a)}}} Group like terms



{{{x^2(x+3)+a(x+3)}}} Factor out the GCF {{{x^2}}} out of the first group. Factor out the GCF {{{a}}} out of the second group



{{{(x^2+a)(x+3)}}} Since we have the common term {{{x+3}}}, we can combine like terms



So {{{x^3+ax+3a+3x^2}}} factors to {{{(x^2+a)(x+3)}}}