Problem 186 of 7
Explain why extraneous solutions can arise in canceling factors before solving.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
connect clearing denominators or squaring to changed equation.
Hidden until you reveal it.
Connect extraneous solutions to changed equation from clearing denominators or squaring.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the transformation used.
2. Explain how it can change the solution set.
3. State why checking in the original equation is necessary.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying extraneous roots are just arithmetic mistakes.