SOLUTION: hiw do i solve and check for extraneous roots? sqrt(a-1)-5=1

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Question 182862: hiw do i solve and check for extraneous roots?
sqrt(a-1)-5=1
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

How do I solve and check for extraneous roots?



Add 5 to both sides:



Square both sides:





Check:



Do the arithmetic. If it is a true statement, the root is valid. If not it is extraneous.

John