Thread: Simplifying Expression

I suck at simplifying these kinds of things because I don't know every rule but here it is:

(x+1) / (x-7)^3 - (x-5) / (x-7)^2(x-2)



So lost! I got common denominators but nothing works out at all.

Originally Posted by cjh824

I suck at simplifying these kinds of things because I don't know every rule but here it is:

(x+1) / (x-7)^3 - (x-5) / (x-7)^2(x-2)



So lost! I got common denominators but nothing works out at all.

Look here: http://www.mathhelpforum.com/math-he...mplifying.html