document.write( "Question 317527: Simplify. Use only positive exponents in your answer. \r
\n" ); document.write( "\n" ); document.write( "4z^7u^9 x 3y^-1z^-5 x 4u^-9y
\n" ); document.write( "

Algebra.Com's Answer #227387 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
I think you're using \"x\" to signify multiplication?
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\"%284z%5E7u%5E9%29%283y%5E%28-1%29z%5E%28-5%29%29%284u%5E%28-9%29y%29=48%2Az%5E%282%29%29\"
\n" ); document.write( "
\n" );