document.write( "Question 191282: Factor the polynomial by grouping\r
\n" ); document.write( "\n" ); document.write( "9x^2+90xy+225y^2
\n" ); document.write( "9*(x^2+10*x*y+25*y)
\n" ); document.write( "9*(x+5y)^2
\n" ); document.write( "

Algebra.Com's Answer #143558 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
\"9x%5E2%2B45xy%2B45xy%2B225y%5E2\"
\n" ); document.write( ":
\n" ); document.write( "\"9x%28x%2B5y%29%2B45y%28x%2B5y%29\"
\n" ); document.write( ":
\n" ); document.write( "\"%289x%2B45y%29%28x%2B5y%29\"
\n" ); document.write( "
\n" );