Question 35981
{{{x^3+6x^2+x+6}}}
seperate the the polynomial, first ake the first 2 terms then the last 2;
{{{x^3+6x^2}}}; factor out {{{x^2}}} 
{{{x^2(x+6)}}};and the next two terms; x+6
now put them together;
{{{x^2(x+6)+(x+6)}}}
{{{(x^2+1)(x+6)}}}
=)