document.write( "Question 215973: if (x*x)+1=3x then what is the value of (x*x)+1/(x*x) \n" ); document.write( "

Algebra.Com's Answer #163128 by checkley77(12844) $\"\"$ $\"About$

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(x*x)+1=3x
\n" ); document.write( "x^2+1=3x
\n" ); document.write( "x^2-3x+1
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "x=(3+-sqrt[-3^2-4*1*1])/2*1
\n" ); document.write( "x=(3+-sqrt[9-4)/2
\n" ); document.write( "x=3+-sqrt5)/2
\n" ); document.write( "x=(3+-2.236)/2
\n" ); document.write( "x=5.236/2
\n" ); document.write( "2.618 ans.
\n" ); document.write( "x=(3-2.236)/2
\n" ); document.write( "x=.764/2
\n" ); document.write( "x=.382 ans.
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