SOLUTION: Please help! I am supposed to add or subtract as indicated and express the results in simplest form. (X^2)/(x- 3)- (9)/(x- 3)

Algebra.Com
Question 107260: Please help!
I am supposed to add or subtract as indicated and express the results in simplest form.


(X^2)/(x- 3)- (9)/(x- 3)

Answer by Annabelle1(69)   (Show Source): You can put this solution on YOUR website!

here we already have a common denominator so we can add these fractions.
This becomes

is a difference of 2 squares so it factorises to (x-3)(x+3)
we now have

the x-3 cancels and we are left with
x+3

RELATED QUESTIONS

Add or subtract as indicated. Express the results in simplest form. (x^2)/(x- 3)-... (answered by bucky)
Add or subtract as indicated. Express your results in simplest form x^2/ x -3 – 9/ x... (answered by funmath)
subtract as indicated express the results in simplest form x^2/x - 3 - 9/x -... (answered by jim_thompson5910)
Add or subtract as indicated. Express your result in simplest form 3/ x^2 + 4x +3 – 1/... (answered by funmath)
Add or Subtract as indicated. Express your result in simplest form. 3/x^2 + 4x + 3 - (answered by ankor@dixie-net.com)
I submitted an easier problem and I see maybe if I submitted this one instead it would... (answered by Annabelle1)
Add or Subtract as indicated. Express your results in simlplest form.... (answered by ankor@dixie-net.com)
Add or subtract as indicated. Express your results in simplest form 2/5w+10 - 3/2w-4 (answered by Kathy)
Tutor, Good evening. I have a question for you tonight. I have to add or subtract... (answered by jim_thompson5910)