document.write( "Question 307113: how do i work out this problem?
\n" ); document.write( "25x squared +9y squared + 72y -81=0
\n" ); document.write( "

Algebra.Com's Answer #219700 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Work it how?
\n" ); document.write( "First, you have to know what you want to do.
\n" ); document.write( "
\n" ); document.write( "
\n" );