Question 318763
{{{(x^2+7x+6)/(3+3x)=((x+6)(x+1))/(3(1+x))}}}
{{{(x^2+7x+6)/(3+3x)=((x+6)cross((x+1)))/(3*cross((x+1)))}}}
{{{(x^2+7x+6)/(3+3x)=(x+6)/3}}}