document.write( "Question 109900: $\"%28x%5E-2+-+y%5E-2%29%5E-1\"$ I am have trouble with this rational expression. Would you help me please. Also I am having trouble with $\"%281%2Fx+%2B+1%2F2%29+%2A+%284%2Fx%5E2+-+1%29\"$ \n" ); document.write( "

Algebra.Com's Answer #80085 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28x%5E-2+-+y%5E-2%29%5E-1\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%281%2Fx%5E2+-+1%2Fy%5E2%29%5E-1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1%2F%28%281%2Fx%5E2+-+1%2Fy%5E2%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1%2F%28%281%2Ay%5E2+-+1%2Ax%5E2%29%2F%28y%5E2%2Ax%5E2%29%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%281%2F1%29%2F%28%28y%5E2+-+x%5E2%29%2F%28y%5E2%2Ax%5E2%29%29\"$ ...multiply inner and outer terms \r
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\n" ); document.write( "\n" ); document.write( " $\"%28y%5E2%2Ax%5E2%29%2F%28y%5E2+-+x%5E2%29\"$ ...\r
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\n" ); document.write( " $\"%281%2Fx+%2B+1%2F2%29+%2A+%284%2Fx%5E2+-+1%2F1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28%281%2A2+%2B+1%2Ax%29%2F2x%29+%2A+%28%284+-+x%5E2%29%2Fx%5E2%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28%282+%2B+x%29%2F2x%29+%2A+%28%284+-+x%5E2%29%2Fx%5E2%29%29\"$ .........multiply nominator by nominator, and denominator by denominator\r
\n" ); document.write( "\n" ); document.write( " $\"%28%282+%2B+x%29%284+-+x%5E2%29%2F%282x+%2Ax%5E2%29%29\"$ ......... $\"%284+-+x%5E2%29=%282-x%29%282%2Bx%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%28%282+%2B+x%29%282-x%29%282%2Bx%29%29%2F%282+%2Ax%5E3%29%29\"$ ......... \n" ); document.write( "

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