document.write( "Question 56983This question is from textbook Elementary and Intermediate Algebra
\n" ); document.write( ": find the complex solution of x^2+2=2x \n" ); document.write( "

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find the complex solution of x^2+2=2x
\n" ); document.write( "X^2-2X+2=0
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"x+=+%282+%2B-+sqrt%28+-2%5E2-4%2A1%2A2+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x+=+%282+%2B-+sqrt%28+4-8+%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x+=+%282+%2B-+sqrt%28-4%29%29%2F%282%29+\"$
\n" ); document.write( " $\"x+=+%281+%2B-+sqrt%28+-1+%29%29%2F%281%29+\"$
\n" ); document.write( "HENCE X= 1+i AND 1-i \n" ); document.write( "

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