document.write( "Question 143960: i cant figure this out.... $\"4%2Fx%5E4-5%2Fx%5E2%2B1=0\"$ \n" ); document.write( "

Algebra.Com's Answer #104767 by nabla(475) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"4%2Fx%5E4-5%2Fx%5E2%2B1=0\"$
\n" ); document.write( " $\"4%2Fx%5E2-5%2Bx%5E2=0\"$
\n" ); document.write( " $\"4-5x%5E2%2Bx%5E4=0\"$
\n" ); document.write( "(x^2-1)(x^2-4)=0\r
\n" ); document.write( "\n" ); document.write( "Implies x= +/- 1 or x=+/-2\r
\n" ); document.write( "\n" ); document.write( " $\"graph%28+300%2C+200%2C+-5%2C+5%2C+-5%2C+5%2C+4%2Fx%5E4-5%2Fx%5E2%2B1%29\"$ \r
\n" ); document.write( "\n" ); document.write( "Notice the intersections. \n" ); document.write( "

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