SOLUTION: solve the following system of equations. y=(y-2)^2 -4 y= -1/2

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Question 839904: solve the following system of equations. y=(y-2)^2 -4 y= -1/2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve the following system of equations.
y = (y-2)^2 -4
y= -1/2
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Supposedly, y = -1/2
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Checking in the 1st equation::
-1/2 = (-1/2 - 2)^2 -4
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-1/2 = (-5/2)^2 - 4
-1/2 = (25/4) - (16/4)
-1/2 = 9/4
That is a contradiction.
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Please check your post.
Cheers,
Stan H.