document.write( "Question 1089210: The vertex of the parabola (x-y+1)^2=4*(x+y-5) is?
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Algebra.Com's Answer #706612 by Fombitz(32388)\"\" \"About 
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\"x-y%2B1=0\"
\n" ); document.write( "\"x%2By-5=0\"
\n" ); document.write( "Adding,
\n" ); document.write( "\"2x-4=0\"
\n" ); document.write( "\"2x=4\"
\n" ); document.write( "\"x=2\"
\n" ); document.write( "So then,
\n" ); document.write( "\"2-y%2B1=0\"
\n" ); document.write( "\"3-y=0\"
\n" ); document.write( "\"y=3\"
\n" ); document.write( "(2,3)
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