Problem 47 of 7
Subtract rational expressions with common denominators: 7/(x+1)-2/(x+1).
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
distribute negative across numerator.
Hidden until you reveal it.
Distribute subtraction across the second numerator.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Keep the common denominator.
2. Subtract the entire second numerator using parentheses.
3. Simplify numerator and record restrictions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Subtracting only the first term of a binomial numerator.