document.write( "Question 940097: X^2-4x+2=0\r
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Algebra.Com's Answer #572890 by krutarthas(22)\"\" \"About 
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x²-4x+2=0
\n" ); document.write( "⇒x²-4x+2+2=0+2
\n" ); document.write( "⇒x²-2.x.2+2²=2
\n" ); document.write( "⇒(x-2)²=2
\n" ); document.write( "⇒x-2=√2
\n" ); document.write( "⇒x=√2+2
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