document.write( "Question 468812: i need help simplifing this equation:\r
\n" ); document.write( "\n" ); document.write( "-5s^2+11st+9t^2+4(-6s^2+2st+8t^2)
\n" ); document.write( "

Algebra.Com's Answer #321647 by Tatiana_Stebko(1539)\"\" \"About 
You can put this solution on YOUR website!
\n" ); document.write( "
\n" );