document.write( "Question 702172: Express as a fraction using positive exponents only: x^-2 + y^3
\n" ); document.write( " -------------
\n" ); document.write( " xy^-3 \n" ); document.write( "

Algebra.Com's Answer #432837 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28x%5E-2+%2B+y%5E3%29%2Fxy%5E-3\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%281%2Fx%5E2+%2B+y%5E3%29%2Fx%281%2Fy%5E3%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%281%2Fx%5E2+%2B+y%5E3x%5E2%29%2Fx%5E2%29%2F%28x%2Fy%5E3%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%28%281%2B+y%5E3x%5E2%29%2Fx%5E2%29%2F%28x%2Fy%5E3%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%28y%5E3%281%2B+y%5E3x%5E2%29%29%2F%28x%2Ax%5E2%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%28y%5E3%281%2B+y%5E3x%5E2%29%29%2Fx%5E3\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%28y%5E3%2B+y%5E6x%5E2%29%2Fx%5E3\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"y%5E3%2Fx%5E3%2B+y%5E6x%5E2%2Fx%5E3\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"y%5E3%2Fx%5E3%2B+y%5E6cross%28x%5E2%29%2Fx%5Ecross%283%29%5E1\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"y%5E3%2Fx%5E3%2B+y%5E6%2Fx\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );