Question 1007516

x^3 - 8 / x^2 + 2x + 4 (divided by) x^2 - 4 / x^2 + 6x + 8 
<pre>{{{((x^3 - 8)/(x^2 + 2x + 4))/((x^2 - 4)/(x^2 + 6x + 8))}}}_________{{{(x^3 - 8)/(x^2 + 2x + 4)}}}{{{"÷"}}}{{{(x^2 - 4)/(x^2 + 6x + 8)}}}
{{{(x - 2)(x^2 + 2x + 4)/(x^2 + 2x + 4)}}}{{{"÷"}}}{{{((x - 2)(x + 2))/((x + 2)(x + 4))}}}
{{{(x - 2)(x^2 + 2x + 4)/(x^2 + 2x + 4)}}}{{{"*"}}}{{{((x + 2)(x + 4))/((x - 2)(x + 2))}}} ------ Applying KEEP, CHANGE, FLIP procedure
{{{cross((x - 2))cross((x^2 + 2x + 4))/cross((x^2 + 2x + 4))}}}{{{"*"}}}{{{(cross((x + 2))(x + 4))/(cross((x - 2))cross((x + 2)))}}}______{{{highlight_green(x + 4)}}}