SOLUTION: solve the equation: x - 2 sqrt of x = 8

SOLUTION: solve the equation: x - 2 sqrt of x = 8

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Question 734375: solve the equation: x - 2 sqrt of x = 8
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
solve the equation: x - 2 sqrt of x = 8
.

This is a "quadratic".
Let
then we can rewrite the equation as:

y = {-2,4}
.
but, we needed x so:

and

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