Problem 38 of 7
Add rational expressions with common denominators: (x^2+x)/(x^2-4) + (x^2-x)/(x^2-4).
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
combine numerators and simplify.
Hidden until you reveal it.
Keep the common denominator and combine numerators.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Verify denominators are the same.
2. Add numerators over the shared denominator.
3. Simplify and state restrictions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Adding denominators.