document.write( "Question 474009: (a^2-3a^2)/(b^2+2b)*(b^2-4)/(a^2b-3ab)÷(ab-2a)/(b^2) \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "\n" ); document.write( "\n" ); document.write( "