document.write( "Question 839904: solve the following system of equations. y=(y-2)^2 -4 y= -1/2 \n" ); document.write( "
Algebra.Com's Answer #505878 by stanbon(75887)\"\" \"About 
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solve the following system of equations.
\n" ); document.write( "y = (y-2)^2 -4
\n" ); document.write( "y= -1/2
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\n" ); document.write( "Supposedly, y = -1/2
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\n" ); document.write( "Checking in the 1st equation::
\n" ); document.write( "-1/2 = (-1/2 - 2)^2 -4
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\n" ); document.write( "-1/2 = (-5/2)^2 - 4
\n" ); document.write( "-1/2 = (25/4) - (16/4)
\n" ); document.write( "-1/2 = 9/4
\n" ); document.write( "That is a contradiction.
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\n" ); document.write( "Please check your post.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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