Question 945489
{{{(2r^3-4r^2-8r-32) / (2r^2+4r+8)=(2(r-4)(r^2+2r+4)) / (2(r^2+2r+4))}}}
{{{(2r^3-4r^2-8r-32) / (2r^2+4r+8)=highlight(r-4)}}}