SOLUTION: How do you solve: (√x^2+7) - x = 7 That is the square root of x squared plus seven, then subtract x, equals seven.

Algebra ->  Radicals -> SOLUTION: How do you solve: (√x^2+7) - x = 7 That is the square root of x squared plus seven, then subtract x, equals seven.      Log On


   



Question 591660: How do you solve:
(√x^2+7) - x = 7
That is the square root of x squared plus seven, then subtract x, equals seven.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do you solve:
(√x^2+7) - x = 7
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Isolate the radical, then square both sides
sqrt%28x%5E2%2B7%29+-+x+=+7
sqrt%28x%5E2%2B7%29+=+x+%2B+7
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x%5E2+%2B+7+=+x%5E2+%2B+14x+%2B+49
etc