document.write( "Question 309226: 9x squareed -18x+81=0 \n" ); document.write( "

Algebra.Com's Answer #221145 by checkley77(12844) $\"\"$ $\"About$

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9x^2-18x+81=0
\n" ); document.write( "9(x^2-2x+9)=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=(2+-sqrt[-2^2-4*1+9])/2*1
\n" ); document.write( "x=(2+-sqrt[4-36])/2
\n" ); document.write( "x=(2+-sqrt-32)/2
\n" ); document.write( "x=(2+--5.657i)/2
\n" ); document.write( "x=2/2+-5.657i/2
\n" ); document.write( "x=1+-2.828i ans. \n" ); document.write( "

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