document.write( "Question 220805: Please help with this question:\r
\n" ); document.write( "\n" ); document.write( "z^2-81/z divided by z-9/z+5\r
\n" ); document.write( "\n" ); document.write( "Is the answer the fraction 9/5?
\n" ); document.write( "

Algebra.Com's Answer #165678 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
z^2-81/z divided by z-9/z+5
\n" ); document.write( "-----------------------
\n" ); document.write( "Invert the 2nd fraction and multiply
\n" ); document.write( "= \"%28%28z%5E2-81%29%2Fz%29%2A%28%28z%2B5%29%2F%28z-9%29%29\"
\n" ); document.write( "= \"%28%28z-9%29%2A%28z%2B9%29%2Fz%29%2A%28%28z%2B5%29%2F%28z-9%29%29\"
\n" ); document.write( "= \"%28z%2B9%29%2A%28z%2B5%29%2Fz\"
\n" ); document.write( "
\n" ); document.write( "
\n" );