document.write( "Question 320158: x^-2-12x^-1+35=0 \n" ); document.write( "
Algebra.Com's Answer #229294 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Let \"z=1%2Fx=x%5E%28-1%29\", then \"z%5E2=1%2Fx%5E2=x%5E%28-2%29\",\r
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\n" ); document.write( "\"x%5E%28-2%29-12x%5E%28-1%29%2B35=z%5E2-12z%2B35\"
\n" ); document.write( "\"x%5E%28-2%29-12x%5E%28-1%29%2B35=%28z-7%29%28z-5%29=0\"
\n" ); document.write( "Two solutions:
\n" ); document.write( "\"z-7=0\"
\n" ); document.write( "\"z=7\"
\n" ); document.write( "\"1%2Fx=7\"
\n" ); document.write( "\"highlight%28x=1%2F7%29\"
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\n" ); document.write( "\"z-5=0\"
\n" ); document.write( "\"z=5\"
\n" ); document.write( "\"1%2Fx=5\"
\n" ); document.write( "\"highlight%28x=1%2F5%29\"
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