Problem 79 of 7
Solve radical equation with radicals on both sides: sqrt(x-1)+2=sqrt(x+7).
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
square carefully and verify.
Hidden until you reveal it.
Square carefully and verify after one or two squaring steps.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Determine domains for each radical.
2. Isolate a radical if needed and square both sides.
3. Repeat if another radical remains, then check candidates.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Unverified roots introduced by squaring.