Question 192015
vertical asymptotes occur when the denominator goes to 0. So find the values of x that make the denominator zero and you have a possible asymptote.
You factored everything correctly, so the vertical asymptote is at x = 6

You can graph this function here --> http://72.3.253.76/webMathematica3/quickmath/page.jsp?s1=graphs&s2=equations&s3=basic 

Or use geogebra or a graphing calulator