Problem 91 of 7
Treat repeated sub-expression as variable-like unit in (x/(x+1))^2 - 3(x/(x+1)) + 2.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
identify quadratic-in-form or polynomial-in-form structure.
Hidden until you reveal it.
Identify quadratic-in-form or polynomial-in-form structure.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Find the repeated grouped expression.
2. Temporarily name it as a unit.
3. Rewrite the expression in terms of that unit.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Expanding immediately when structure is meant to be exposed.