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1 : What is the sum of the answers to the following equality? The sum of
solutions is: .
Recall that you need to isolate one of the radicals, then square both
sides. Once you expand everything out, you will need to re-isolate the remaining
radical and square both sides again, which should leave you with a quadratic. Once
you solve the quadratic, you then need to check your solutions to see if they are
extraneous or valid.