Question 631141
{{{(x^2 + 3x + 1)(x^2 + x + 2) =x^2*x^2+x^2*x+x^2*2+3x*x^2+3x*x+3x*2+1*x^2+1*x+1*2=x^4+x^3+2x^2+3x^3+3x^2+6x+x^2 + x + 2=x^4+4x^3+6x^2+7x+2}}}