Which is an extraneous solution of the exponent x+sqrtx=6

asked Sep 3, 2018 196k views

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First, we can simplify it down.
x = (-x + 6)^2
Then, you should have x - (
x^(2)

- 12x + 36).
Factor it to get x = 4 or 9. 4 works in the original equation but 9 does not.

Dennis Laumen answered Sep 10, 2018

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