Question 29994
5x-1 over x^2 +2x -8}}} - 6 over x+4

[(5x-1)/(x^2 +2x -8)] - [6/(x+4)]
= [(5x-1)/(x+4)(x-2)]- 6/(x+4)
= [1/(x+4)(x-2)][(5x-1)-6(x-2)]
=(5x-1-6x+12)/(x+4)(x-2)
=(-x+11)/(x+4)(x-2)
=(11-x)/(x+4)(x-2)