Question 301338
{{{(y^2 +5y +6)/(2y^2+4y-6)=((y+3)(y+2))/((2y-2)(y+3))}}}
{{{(y^2 +5y +6)/(2y^2+4y-6)=(cross((y+3))(y+2))/(2(y-1)cross((y+3)))}}}
{{{(y^2 +5y +6)/(2y^2+4y-6)=(y+2)/(2(y-1))}}}